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Cisco 7925G Deployment Manual
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Cisco 7925G Deployment Manual

Unified wireless ip phone
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Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G
Deployment Guide
The Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G are adaptable for all mobile professionals, from users on
the move within an office environment to nurses and doctors in a healthcare environment to associates working in the
warehouse, on the sales floor, or in a call center. Staff, nurses, doctors, educators, and IT personnel can be easily reached when
mobile utilizing a Bluetooth headset. The Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G are Bluetooth 2.0 +
EDR (Enhanced Data Rate) compliant and supports both the headset and hands-free profiles. The Cisco Unified Wireless IP
Phone 7925G, 7925G-EX, and 7926G are MIL-STD-810F, Method 516.5, Procedure I compliant. The Cisco Unified Wireless
IP Phone 7925G and 7926G is IP54 rated protecting it from dust, liquid splashes and moisture, where the Cisco Unified
Wireless IP Phone 7925G-EX is IP64 rated for complete dust protection and also certified for use in explosive and hazardous
environments.
This guide provides information and guidance to help the network administrator deploy the Cisco Unified Wireless IP Phone
7925G, 7925G-EX, and 7926G successfully in a wireless LAN environment.

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Summary of Contents for Cisco 7925G

  • Page 1 Phone 7925G, 7925G-EX, and 7926G are MIL-STD-810F, Method 516.5, Procedure I compliant. The Cisco Unified Wireless IP Phone 7925G and 7926G is IP54 rated protecting it from dust, liquid splashes and moisture, where the Cisco Unified Wireless IP Phone 7925G-EX is IP64 rated for complete dust protection and also certified for use in explosive and hazardous environments.

  • Page 2: Revision History

    1.3(2) and 1.3(3) Release 05/03/10 1.3(4) Release 08/30/10 1.3(4)SR2 Release 12/15/10 1.4(1) Release 08/14/12 1.4(1)SR1 and 1.4(2) Release 08/21/12 1.4(3) Release 03/22/13 1.4(3)SR1 05/24/13 1.4(4) Release 08/20/13 1.4(5) Release Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...

  • Page 3: Table Of Contents

    Contents   Cisco Unified Wireless IP Phone 7925G, 7925G-EX, 7926G Overview ....................7   Requirements ......................................7   Site Survey ....................................... 7   RF Validation ......................................7   Call Control ......................................9   Protocols ......................................... 9   Access Points ......................................10  ...
  • Page 4   Product Specific Configuration Options ............................... 53   Scanner Commands for Cisco 7926G ............................... 59   Configuring the Cisco Unified Wireless LAN Controller and Access Points ..................61   SSID / WLAN Settings ................................... 62   Controller Settings ....................................66  ...
  • Page 5 TKIP Countermeasure Holdoff Time ..............................88   VLANs and Cisco Autonomous Access Points ............................88   Configuring the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G ................89   Wireless LAN Settings ................................... 90   USB Settings ......................................95  ...
  • Page 6 Capturing a Screenshot of the Phone Display ............................ 144   Healthcare Environments ..................................145   Cleaning the Phone ....................................145   Accessories ......................................145   Additional Documentation ..................................148 Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...

  • Page 7: Cisco Unified Wireless Ip Phone 7925G, 7925G-Ex, 7926G Overview

    The Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G are IEEE 802.11a/b/g wireless IP phones that provide voice communications. The wireless LAN must be validated to ensure it meets the requirements to deploy the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G.
  • Page 8 -67 dBm or higher. It is recommended to design the cell size to ensure that the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G can hold a signal for at least 5 seconds.

  • Page 9: Call Control

    AirMagnet (Survey, WiFi Analyzer, VoFi Analyzer, Spectrum Analyzer) • http://www.airmagnet.com Call Control The Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G utilize Skinny Client Control Protocol (SCCP) for call control with the following communications platforms. 7925G and 7925G-EX Cisco Unified Communications Manager (CUCM) •...

  • Page 10: Access Points

    Syslog • Access Points The Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G are supported on both the Cisco Unified and Cisco Autonomous solutions. Below is the supported version information for each Cisco solution. Cisco Unified Wireless LAN Controller •...
  • Page 11 Note: The Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G are currently supported with the Cisco AP3600 when the internal 802.11abgn radio is utilized, however are not currently supported in conjunction with the 802.11ac module (AIR-RM3000AC) for the Cisco AP3600.

  • Page 12: Antennas

    Please refer to the following URL for more info on Cisco Wireless LAN over Distributed Antenna Systems. http://www.cisco.com/en/US/prod/collateral/wireless/ps5678/ps6973/positioning_statement_c07-565470.html Note: The Cisco 1040, 1130, 1140, 1602i, 2602i, 3502i and 3602i Series Access Points are to be mounted on the ceiling as they have omni-directional antennas and are not designed to be patches.

  • Page 13: Models

    There are four Cisco Unified Wireless IP Phone 7925G models, one Cisco Unified Wireless IP Phone 7925G-EX model, and one Cisco Unified Wireless IP Phone 7926G model. The Cisco Unified Wireless IP Phone 7925G and 7926G models are grey in color, where the Cisco Unified Wireless IP Phone 7925G-EX is yellow in color.

  • Page 14: 7925G-Ex Certifications

    Channel 14 for Japan is not supported on the newer Cisco Access Points. 7925G-EX Certifications The Cisco Unified Wireless IP Phone 7925G-EX has both Atmoshpheres Explosibles (ATEX) Zone 2/Class 22 and Canadian Standards Association (CSA) Class1/Division II certifications in order to allow it to be used in hazardous and explosive environments.

  • Page 15: 7926G Barcode Scanner

    Java MIDP support is included in the initial 1.4(1)SR1 release for the Cisco Unified Wireless IP Phone 7926G. The Java MIDlet for the Cisco Unified Wireless IP Phone 7926G will be a custom built application for a customer, where lookups can be queried against their own databases.

  • Page 16: World Mode (802.11D)

    If 802.11d information is not available from the access point, then the Cisco Unified Wireless IP Phone 7925G (-A, -E, -P) model uses the locally configured regulatory domain. If the Cisco Unified Wireless IP Phone 7925G -A, -E or -P model is taken to another country, where the access point uses a different regulatory domain, then 802.11d will be required for the Cisco...

  • Page 17: Radio Characteristics

    Note: Compliance information is available on the Cisco Product Approval Status web site at the following URL: http://tools.cisco.com/cse/prdapp/jsp/externalsearch.do?action=externalsearch&page=EXTERNAL_SEARCH Radio Characteristics The following table lists the data rates, ranges, and receiver sensitivity info for Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G. 5 GHz - 802.11a...

  • Page 18: Language Support

    Bluetooth quality can potentially be interfered with due to using this unlicensed frequency. Bluetooth Profiles The Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G support the Bluetooth Headset and Hands-Free Profiles. Headset Profile (HP) With Bluetooth Headset Profile (HSP) support, the following features can be available if supported by the Bluetooth headset.

  • Page 19: Coexistence (802.11B/G + Bluetooth)

    Security When deploying a wireless LAN, security is essential. The Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G support the following wireless security features. WLAN Authentication WPA (802.1x authentication + TKIP or AES encryption) •...

  • Page 20: Extensible Authentication Protocol - Flexible Authentication Via Secure Tunneling (Eap-Fast)

    The TLS tunnel uses Protected Access Credentials (PACs) for authentication between the client (phone) and the RADIUS server. The server sends an Authority ID (AID) to the client (Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G), Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...
  • Page 21 Ensure the production master EAP-FAST ACS server is setup to send the EAP-FAST master keys and policies to the staging slave EAP-FAST ACS server, which will then allow the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G to use the provisioned PAC in the production environment where Allow anonymous in-band PAC provisioning is disabled.

  • Page 22: Extensible Authentication Protocol - Transport Layer Security (Eap-Tls)

    PAC provisioning is enabled. Ensure that the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G has connected to the network during the grace period to ensure it can use its existing PAC created either using the active or retired master key in order to get issued a new PAC.
  • Page 23 EAP-TLS may also require a user account to be created on the authentication server matching the common name of the certificate imported into the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G. It is recommended to use a complex password for this user account and that EAP-TLS is the only EAP type enabled on the RADIUS server.

  • Page 24: Protected Extensible Authentication Protocol (Peap)

    SSL/TLS tunnel between the client and the authentication server. The ensuing exchange of authentication information is then encrypted and user credentials are safe from eavesdropping. MS-CHAPv2 is the current supported inner authentication protocol (GTC is not supported). Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...
  • Page 25 PEAP (MS-CHAPv2) requires that a user account be created on the authentication server. The authentication server can be validated via importing a certificate into the Cisco Unified Wireless IP Phone 7925G, 7925G- EX, and 7926G. See the Installing Certificates section for more information.

  • Page 26: Cisco Centralized Key Management (Cckm)

    As of the 1.3(4) release, the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G support CCKM with WPA2 (AES or TKIP), WPA (TKIP or AES) and 802.1x (WEP) authentication.

  • Page 27: Power Management

    Delivery Traffic Indicator Message (DTIM) period to check for incoming broadcasts. To optimize battery life, the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G will utilize either U-APSD or PS- POLL power save methods depending on whether Wi-Fi MultiMedia (WMM) is enabled in the Access Point configuration or not.

  • Page 28: Protocols

    Power Save Poll (PS-POLL) If WMM is disabled (disabling U-APSD support) or U-APSD support is not available on the access point, then the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G will utilize PS-POLL for power management when the call power save mode on the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G is set to U-APSD/PS-POLL.

  • Page 29: Active Mode

    The Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G can use the DTIM period to schedule wakeup periods to check for broadcast and multicast packets as well as any unicast packets. If proxy ARP is enabled, then the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G do not have to wake up at DTIM.

  • Page 30: Configuring Qos In Cisco Unified Communications Manager

    Enable Differentiated Services Code Point (DSCP) preservation on the Cisco IOS switch. • For more information about TCP and UDP ports used by the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G and the Cisco Unified Communications Manager, refer to the Cisco Unified Communications Manager TCP and UDP Port Usage document at this URL: http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/port/8_6_1/portlist861.html...

  • Page 31: Configuring Cisco Ios Access Points

    Configuring Cisco IOS Access Points Use the following QoS policy on the Cisco IOS access point (AP) to enable DSCP to CoS (UP) mapping. This allows packets to be placed into the proper queue as long as those packets are marked correctly when received at the access point level.

  • Page 32: Sample Voice Packet Capture

    Sample Voice Packet Capture The packet capture below displays a voice packet bound for the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, or 7926G over the air being marked as DSCP = EF and UP = 6.

  • Page 33: Pre-Call Admission Control

    Enable a data rate that is enabled on the access point. (Default setting is 12 Mbps) • Cisco Access Points will only accept a minimum PHY rate of 5.5, 6, 11, 12 or 24 Mbps, so ensure that at least one of •...

  • Page 34: Roaming Admission Control

    If the original access point where the call was established had Call Admission Control (TSPEC) enabled, then the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G will send an ADDTS request during the roam to the new access point, which embedded in the reassociation request frame.

  • Page 35: Roaming

    As of the 1.3(4) release, the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G support CCKM with WPA2 (AES or TKIP), WPA (TKIP or AES), and 802.1x (WEP) authentication.

  • Page 36: Interband Roaming

    For Auto-a and Auto-b/g modes, this is giving preference to one frequency band over another. At power on, the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G will scan all 2.4 GHz and 5 GHz channels then attempt to associate to an access point for the configured network using the preferred frequency band if available.

  • Page 37: Designing The Wireless Lan

    5 GHz channels overlap their adjacent channel, so there should be at least 1 channel of separation for adjacent access points. Need to ensure there is at least 20 percent overlap with adjacent channels when deploying the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G in the 802.11a environment, which allows for seamless roaming.

  • Page 38: Using Dynamic Frequency Selection (Dfs) On Access Points

    For Cisco Autonomous Access Points, select Dynamic Frequency Selection (DFS) to use auto channel selection. When DFS is enabled, enable at least one band (bands 1-4). For Cisco Unified access points, enable Auto RF unless there is an intermittent interferer in an area, which select access points can have the channel statically assigned.

  • Page 39: Ghz (802.11B/G)

    There are only 3 non-overlapping channels in the 2.4 GHz frequency range (channels 1, 6, 11). In Japan, channel 14 can be utilized as a fourth non-overlapping channel when using 802.11b access points. Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...

  • Page 40: Signal Strength And Coverage

    To ensure acceptable voice quality, the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G should always have a signal of -67 dBm or higher when using 2.4 GHz or 5 GHz, while the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G also meet the access point’s receiver sensitivity required signal level for the transmitted data rate.
  • Page 41 802.11a for voice and use 802.11b/g for data. However there are products that also utilize the non-licensed 5 GHz frequency (e.g. 5.8 GHz cordless phones, which can impact UNII-3 channels). Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...

  • Page 42: Configuring Data Rates

    The Cisco Unified WCS or NCS can be utilized to verify signal strength and coverage. Configuring Data Rates It is recommended to disable rates below 12 Mbps for 802.11a and below 11 Mbps for 802.11b/g deployments where capacity and range are factored in for best results.

  • Page 43: Call Capacity

    Design the network to accommodate the desired call capacity. The Cisco Access Point can support up to 27 bi-directional voice streams for both 802.11a and 802.11g at a data rate of 24 Mbps or higher. To achieve this capacity, there must be minimal wireless LAN background traffic and radio frequency (RF) utilization.

  • Page 44: Dynamic Transmit Power Control (Dtpc)

    DTPC prevents one-way audio when RF traffic is heard in one direction only. If the access point does not support DTPC, then the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G will use the highest available transmit power depending on the current channel and data rate.
  • Page 45 If 2.4 GHz must be used in some areas, either due to decreased 5 GHz coverage in some areas or due to range requirements, then it is recommended to set the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G to Auto-a mode, which 5 GHz will be the preferred band, but can roam to 2.4 GHz as necessary.

  • Page 46: Multipath

    If using 802.11b in a high multipath environment, lower data rates should be used in those areas (e.g. 1 and 2 Mbps). Use of antenna diversity can also help in such environments. Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...

  • Page 47: Verification With Site Survey Tools

    To see all access points in the neighbor list menu with Auto scan mode, place a call from the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G, where scanning occurs constantly while the phone call is active in Auto scan mode.

  • Page 48: Cisco 792Xg Site Survey

    Cisco 792xG Site Survey The Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G has a Site Survey application, which is an offline mode that gathers information about the access points for the configured network profile and generates and HTML report after exiting the application.
  • Page 49 Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...

  • Page 50: Configuring Cisco Unified Communications Manager

    Cisco Unified Communications Manager offers many different product, call and security features. Phone Button Templates The Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G support 6 lines. The default phone button template includes support for 2 lines and 4 speed dials.

  • Page 51: Security Profiles

    The order of the softkeys can also be arranged when creating a custom softkey template. The Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G have 2 softkeys available. The feature listed first in the softkey template will be displayed on the left softkey if on a call, where the other features will be listed under the options menu on the right softkey.

  • Page 52: G.722 Advertisement

    Phone 7925G, 7925G-EX, and 7926G will attempt to use G.722 assuming the other endpoint also advertises G.722 capabilities. If using a version of Cisco Unified Communications Manager prior to 5.0 and want to disable G.722 capabilities, then the latest device package will need to be applied to the Cisco Unified Communications Manager to enable this product specific configuration option where Advertise G.722 Codec can be disabled for each Cisco Unified Wireless IP Phone 7925G, 7925G-...

  • Page 53: Product Specific Configuration Options

    For a description of these options, click the ? on the configuration page. Product specific configuration options can be configured in bulk via the Bulk Admin Tool if using Cisco Unified Communications Manager 5.0 and later. If using a prior version, then must be configured separately.
  • Page 54 HTTP client. Web Access can be set to Full, where configuration changes can be made remotely or Read Only to provide information but not allowing changes to be made. Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...
  • Page 55 TFTP server for phone firmware downloads. Admin Password The admin password is used for web access. With Cisco Unified Communications Manager 5.0 or later the admin password must be managed in Communications Manager Administrator page, where previous versions allow local management.
  • Page 56 G.722 capabilities can be configured on a phone by phone basis and optionally override the system default. Home Screen By default the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G will show the traditional screen with the four icons for directory, services, settings and line access.
  • Page 57 Note: If configuring the Admin Password in Cisco Unified Communications Manager versions 5.1, 6.0, 6.1, 7.0, 7.1, 8.0, 8.5, 8.6 or later and web access is set to Full, then it is recommended to enable TFTP encryption via the device security profile.
  • Page 58 Enable individual phone configuration files with the following commands. telephony-service cnf-file perphone create cnf-files For more information on these features, see the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Administration Guide or the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Release Notes. http://www.cisco.com/en/US/products/hw/phones/ps379/prod_maintenance_guides_list.html http://www.cisco.com/en/US/products/hw/phones/ps379/prod_release_notes_list.html...

  • Page 59: Scanner Commands For Cisco 7926G

    If wanting to use a barcode symbology type that is not included in either the Basic or Extended symbology groups, then a custom scanner command must be configured for the Cisco Unified Wireless IP Phone 7926G within the product specific configuration of Cisco Unified Communications Manager.
  • Page 60 Maxicode 5240 Aztec 5340 DataMatrix 5440 QRCode 5540 Examples: Enable GS1 Composite CC-A/CC-B: 41564001 Disable GS1 Composite CC-A/CC-B: 41564000 Enable GS1 Composite CC-C: 41564101 Disable GS1 Composite CC-C: 41564100 Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...

  • Page 61: Configuring The Cisco Unified Wireless Lan Controller And Access Points

    41564001564100 Configuring the Cisco Unified Wireless LAN Controller and Access Points When configuring the Cisco Unified Wireless LAN Controller and Access Points, use the following guidelines: Ensure CCKM is Enabled if utilizing 802.1x authentication • Set Quality of Service (QoS) to Platinum •...

  • Page 62: Ssid / Wlan Settings

    However, if there is an existing SSID configured to support voice capable Cisco Wireless LAN endpoints already, then that WLAN can be utilized instead. The SSID to be used by the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G can be configured to only apply to a certain 802.11 radio type.
  • Page 63 WPA policy with TKIP encryption and 802.1x + CCKM for authenticated key management type in order to enable fast secure roaming. The WMM policy should be set to Required only if the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G or other WMM enabled phones will be using this SSID.
  • Page 64 Management Frame Protection should be set to Optional or Disabled. For optimal battery performance and quality, use a DTIM Period of 2 with a beacon period of 100 ms. Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...
  • Page 65 For the Cisco Autonomous Access Point, ensure that the SSID is configured for open + eap as and network-eap when using 802.1x authentication. As of the 1.3(2) release, the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G utilizes open + eap when doing 802.1x authentication, but utilized network-eap in previous releases.

  • Page 66: Controller Settings

    Controller Settings Ensure the Cisco Unified Wireless LAN Controller hostname is configured correctly. Enable Link Aggregation (LAG) if utilizing multiple ports on the Cisco Unified Wireless LAN Controller. Configure the desired AP multicast mode. In releases prior to 6.0, Aggressive Load Balancing was configured in the General Controller settings.
  • Page 67 In the recent versions, Symmetric Mobility Tunneling is enabled by default and non-configurable. When multiple Cisco Unified Wireless LAN Controllers are to be in the same mobility group, then the IP address and MAC address of each Cisco Unified Wireless LAN Controller should be added to the Static Mobility Group Members configuration.

  • Page 68: 802.11 Network Settings

    6 Mbps to be enabled. 36-54 Mbps can optionally be disabled, if there are not any applications that can benefit from those rates (e.g. video). Enable CCX Location Measurement. Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...

  • Page 69: Beamforming (Clientlink)

    For releases prior to 7.2.103.0, ClientLink can be enabled globally via the 802.11 Global Parameters section or on individual access points via the access point’s 802.11 radio configuration page. As of release 7.2.103.0, ClientLink is no longer configurable via the Cisco Unified Wireless LAN Controller’s web interface and is only configurable via command line.

  • Page 70: Auto Rf (Rrm)

    The 5 GHz channel width can be configured for 20 MHz or 40 MHz if using Cisco 802.11n Access Points. Ensure that channel 165 is not enabled in the DCA list as the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G do not support this channel.
  • Page 71 If using 2.4 GHz, only channels 1, 6, and 11 should be enabled in the DCA list. It is recommended to configure the 2.4 GHz channel for 20 MHz even if using Cisco 802.11n Access Points capable of 40 MHz due to the limited number of channels available in 2.4 GHz.

  • Page 72: Client Roaming

    If CAC is to be enabled, will want to ensure Load-based CAC is enabled, which is available for the Cisco Unified Wireless LAN Controller, but not currently available on the Cisco Autonomous Access Point platform.
  • Page 73 Admission Control Mandatory for Video should be disabled. If Call Admission Control for voice is enabled, then the following configuration should be enabled, which can be displayed in the show run-config. Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...
  • Page 74 Also ensure that the PHY rate configured on the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G is enabled as a nominal rate in the STREAM configuration of the Cisco Autonomous Access Point. It is recommended to use the defaults, where 5.5, 6.0, 11.0, 12.0 and 24.0 Mbps are enabled as nominal rates for 802.11b/g and 6.0, 12.0 and 24.0 Mbps enabled for 802.11a.

  • Page 75: Edca Parameters

    For more information about Call Admission Control and QoS, refer to the Configuring QoS chapter in the Cisco IOS Software Configuration Guide for Cisco Aironet Access Points at this URL: http://www.cisco.com/en/US/partner/docs/wireless/access_point/12.4.25d.JA/Configuration/guide/scg12.4.25d.JA-chap15- qos.html In the Media settings, Unicast Video Redirect and Multicast Direct Enable should be enabled.

  • Page 76: Dfs (802.11H)

    In the DFS (802.11h) configuration, channel announcement and quiet mode should be enabled. Power Constraint should be left un-configured or set to 0 dBm as DTPC will be used by the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G to control the transmission power.

  • Page 77: Ap Groups

    AP Groups can be created to specify which WLANs / SSIDs are to be enabled and which interface they should be mapped to as well as what RF Profile parameters should be used for the access points assigned to the AP Group. Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...
  • Page 78 If changes are made after access points have joined the AP Group, then those access points will reboot once those changes are made On the APs tab, select the desired access points then select Add APs. Those access points will then reboot. Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...

  • Page 79: Rf Profiles

    Mandatory and 12-54 Mbps as Supported for 2.4 GHz; however some environments may require 6 Mbps to be enabled. On the RRM tab, the Maximum Power Level Assignment and Minimum Power Level Assignment settings as well as other TPC and Coverage Hole Detection settings can be configured. Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...

  • Page 80: Multicast Direct

    In the Media Stream settings, Multicast Direct feature should be enabled. After Multicast Direct feature is enabled, then there will be an option to enable Multicast Direct in the QoS menu of the WLAN configuration. Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...

  • Page 81: Qos Profiles

    Configure the four QoS profiles (Platinum, Gold, Silver, Bronze), by selecting 802.1p as the protocol type and set the 802.1p tag for each profile. Platinum =6 • Gold = 5 • Silver = 3 • Bronze = 1 • Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...
  • Page 82 Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...
  • Page 83 Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...

  • Page 84: Qos Basic Service Set (Qbss)

    EX, and 7926G support. The first version from Cisco was on a 0-100 scale and was not based on clear channel assessment (CCA), so it does not account for channel utilization, but only the 802.11 traffic traversing that individual access point’s radio. So it does not account for other 802.11 energy or interferers using the same frequencies.

  • Page 85: Cckm Timestamp Tolerance

    The default CCKM timestamp tolerance is still set to 1000 ms in the later releases. It is recommended to adjust the CCKM timestamp tolerance to 5000 ms to optimize the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G roaming experience.

  • Page 86: Wlan Controller Advanced Eap Settings

    Need to ensure that the advanced EAP settings in the Cisco Unified Wireless LAN Controller are configured per the information below. To view the EAP configuration on the Cisco Unified Wireless LAN Controller, telnet or SSH to the controller and enter the following command.

  • Page 87: Proxy Arp

    Key Max Retries are set to 2 should work fine, but is still recommended to set those values to 400 and 4 respectively. The EAPOL-Key Timeout should not exceed 1 second (1000 milliseconds). To change the EAPOL-Key Timeout on the Cisco Unified Wireless LAN Controller, telnet or SSH to the controller and enter the following command.

  • Page 88: Tkip Countermeasure Holdoff Time

    To confirm the change, enter show wlan <WLAN id>, where the following will be displayed. Tkip MIC Countermeasure Hold-down Timer..60 For the Cisco Autonomous Access Point, enter the time in seconds to holdoff clients if a TKIP countermeasure event occurs. Interface dot11radio X countermeasure tkip hold-time <nseconds>...

  • Page 89: Configuring The Cisco Unified Wireless Ip Phone 7925G, 7925G-Ex, And 7926G

    Port security should be disabled on switch ports that Cisco Autonomous Access Points are directly connected to. The network ID in the SSID configuration the Cisco Autonomous Access Point should only be disabled if Layer 3 mobility is enabled where the Wireless LAN Services Module (WLSM) is deployed.

  • Page 90: Wireless Lan Settings

    If the preferred frequency band is not available, then the Cisco Unified Wireless Phone 7925G will try to use the less preferred frequency band if available. If the phone roams out of coverage of the preferred frequency band, where the less preferred frequency band signal is available, then the phone will attempt to associate to that less preferred frequency band.
  • Page 91 ASCII 8-63 64 (0-9,A-F) AKM mode requires a key management type to be enabled on the Access Point. • For 802.1x authentication methods, WPA, WPA2 or CCKM is required. Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...
  • Page 92 When using EAP-TLS, select either Manufacturing Issued or User Installed for the Client EAP-TLS Certificate • option after selecting EAP-TLS. Note: WEP128 is listed as WEP104 on the Cisco Unified Wireless LAN Controllers. Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...
  • Page 93 Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...

  • Page 94: Configuring Advanced Network Profile Settings

    If using this feature, then only disable those channels that are not used in the wireless LAN. If a channel is disabled that is currently used by an access point, then the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G might not associate to the wireless LAN successfully.

  • Page 95: Usb Settings

    USB Settings By default, the USB interface USB of the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G is statically set to 192.168.1.100 /24, but can be changed as necessary. Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...

  • Page 96: Installing Certificates

    EAP-TLS provides excellent security, but requires client certificate management. Microsoft® Certificate Authority (CA) servers are recommended as we have certified interoperability only with those CA types. Other CA server types may not be completely interoperable with the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, or 7926G.
  • Page 97 CA. The Common Name defaults to a string including the MAC address of the Cisco Unified Wireless IP Phone 7925G, 7925G-EX or 7926G (CP-7925G-SEP<MAC_Address>), however the Common Name can be customized to a string with up to 32 characters.
  • Page 98 The user certificate will then be displayed and is now ready to be signed. Select all of the user certificate data in order to copy it to the Certificate Authority server to be signed. Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...
  • Page 99 Select the method to submit a certificate request by using a Base-64 encoded PKCS file. Paste the certificate data from the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G to the Certificate Authority signing server and submit for signing.
  • Page 100 Ensure Client Authentication is listed in the Enhanced Key Usage section of the user certificate details. After selecting Import Step, browse to the signed user certificate then select Import to complete the process. Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...
  • Page 101 With 1.4(3)SR1 and earlier releases, the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G does not have timezone support, therefore a recently signed certificate may not be valid yet if the local time of the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G is west of Greenwich Mean Time (GMT).
  • Page 102 The Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G must be restarted after installing the certificate. Click on the hyperlink to navigate to the Phone Restart page. Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...

  • Page 103: Using Templates To Configure Phones

    Export Security Credentials option to True. After selecting True, the Wireless LAN security information will need to be re-entered. This will then allow that information to be exported and then imported to other Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G phones.

  • Page 104: Using The Bulk Deployment Utility

    The Bulk Deployment Utility (BDU) for the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G enables the creation of configuration files, which can be exported then enabled for TFTP download by the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G.
  • Page 105 By default, DHCP is enabled and is the recommended method, otherwise would need a template per phone if planning to use static IP addressing. An alternate TFTP server can be set if the Cisco Unified Communications Manager’s TFTP server IP is not set in option 150 for the DHCP scope.
  • Page 106 If a common set of credentials is to be used by all phones (e.g. WPA2-PSK or a common 802.1x account), then use the Default Export method. If unique 802.1x accounts are to be deployed, then use the Bulk Export method. Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...

  • Page 107: Bulk Export

    Bulk Export If needing to deploy the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G with unique 802.1x accounts utilizing EAP-FAST, PEAP or LEAP, then select the Bulk Export method. The common data entered plus a CSV containing the phone MAC address, username and password will be used to create the template.

  • Page 108: Default Export

    Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G on. The staging environment setup needs to consist of an access point with the SSID cisco configured and DHCP enabled either on the access point itself or another device in the local network, where DHCP option 150 is configured to point to the TFTP server’s IP address that is...
  • Page 109 150 ip 10.10.10.22 option 149 ip 10.10.11.128 Custom parameters can also be set via the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G web page in order to help group clients for better management. When clients register with the Wavelink server, they will appear in the console.
  • Page 110 The Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G will have parameters enabled by default. EnablerVer = 3.11-01 ModelName = CP7925G Additional properties can be added as necessary for better client management. Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...
  • Page 111 Mobile Device Groups can be created to group clients based on client properties. Enter the selection criteria either manually or using the wizard after right clicking on the mobile device group then selecting Settings. Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...
  • Page 112 To install the 7925G Configuration Utility for Wavelink Avalanche, select Install Software Package under the Software Management menu. Browse to the 7925G Configuration Utility package file (e.g. 7925CU-1.3.1.AVA). Create a software collection to add the package to. The license agreement will be displayed, after selecting Next, Click on Finish when the installation is complete.
  • Page 113 The software package must then be enabled by right clicking on the package then selecting Enable Package. Selection collections can also be created with their own selection criteria to determine which clients should receive the software package. Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...
  • Page 114 To configure the software package, right click on the package then select 7921CU. The 7925G Configuration Utility will then be launched. Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...
  • Page 115 Enter the profile name and enable the profile. Configure the network profiles by specifying the Wireless LAN credentials. PEAP and EAP-TLS are not supported in the Configuration Utility for Wavelink. Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...
  • Page 116 Configure the network settings for the network profile. Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...
  • Page 117 Ensure that Wavelink server enable is set to Yes. Configure whether the client will get the Wavelink IP info from DHCP or configured statically. Optionally set additional client parameters as necessary. Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...

  • Page 118: Local Phone Book And Speed Dials

    The local phone book and speed dials can be configured via the local keypad or via the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G web interface. Since the user does not manage the web password, the web interface is primarily intended for use by the system administrator, where they can upload information into the phone book for the user.
  • Page 119 Exported phone book data can be imported onto other phones. XML and CSV formats are supported as well as the CSV format used by the Cisco Unified Wireless IP Phone 7920. Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...

  • Page 120: Bluetooth Settings

    Bluetooth Settings The Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G have Bluetooth 2.0 + EDR support, which enables hands- free communications. To pair a Bluetooth headset to the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G, follow the instructions below.

  • Page 121: Increased Font

    As of the 1.4(1) release, there are options for Default (original) font or Increased font. The font size can optionally be configured locally on the phone. Settings > Phone Settings > Display Settings > Font Size Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...

  • Page 122: Using The Cisco Unified Wireless Ip Phone 7925G Desktop Charger

    There is a battery slot in the rear of the Cisco Unified Wireless IP Phone 7925G Desktop Charger, which can be utilized for charging a spare battery or even powering the desktop charger.

  • Page 123: Docking

    After the Bluetooth connection is established, the Power/Bluetooth status LED will turn to solid blue. If currently on a call when the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, or 7926G is docked, there will be a small delay to switch the audio path to the desktop charger’s Bluetooth speakerphone while the Bluetooth connection completes. The call will continue using the Cisco Unified Wireless IP Phone 7925G Desktop Charger’s Bluetooth speakerphone after the...

  • Page 124: Using Phone Designer

    Personalization must also be enabled in the Cisco Unified Communications Manager either in Enterprise Parameters, Common Phone Profile or on a per phone level. After installing the phone designer, a username and password as well as the IP address of the Cisco Unified Communications Manager must be configured.

  • Page 125: Upgrading Firmware

    5.1, 6.0, 6.1, 7.0, 7.1, 8.0, 8.5, 8.6, and later. For information on how to install the COP file on CM versions 5.1 and later, refer to the Cisco Unified Communications Manager Operating System Administrator Guide at this URL: http://www.cisco.com/en/US/products/sw/voicesw/ps556/prod_maintenance_guides_list.html...
  • Page 126 The Load Server can be specified as an alternate TFTP server to retrieve firmware files in the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G product specific configuration in Cisco Unified Communications Manager Administration. To install the firmware on Cisco Unified Communications Manager Express, extract the contents of the TAR file and upload into the router’s flash.

  • Page 127: Hardware Compatibility

    In this mode, firmware upgrades via the web interface are not allowed. Full web access must be enabled in Cisco Unified Communications Manager in order to make changes. Ultimately the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G will use what is set as the phone load in the Cisco Unified Communications Manager.

  • Page 128: Ip Phone Services

    As of the 1.4(3) release, if a tone is pushed to the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, or 7926G via XSI while on call, an alternate tone to the standard call waiting tone will be played so the user can distinguish the event type audibly.

  • Page 129: Java Mobile Information Device Profile (Midp)

    If the s parameter is not specified, then the Cisco Unified Wireless Phone 7925G, 7925G-EX, and 7926G will set the audio path to speakerphone mode; unless a headset is connected, where the audio will then be played to the headset.

  • Page 130: Troubleshooting

    As of the 1.4(4) release, timezone support has been added; therefore the Java Timezone API is now supported. As of the 1.4(5) release, a Java MIDlet can now be automatically launched then minimized to the background after the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, or 7926G is powered on by utilizing the Idle URL feature.

  • Page 131: Device Information

    MAC address, hostname, directory number, and hardware and software version information is displayed in the Device Information section of the phone webpage. Browse to the web interface (http://x.x.x.x) of the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, or 7926G then select Device under the Information menu to view this information.

  • Page 132: Wireless Lan Information

    Detailed WLAN information is displayed in the Wireless LAN Information section of the phone webpage. Browse to the web interface (http://x.x.x.x) of the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, or 7926G then select Wireless LAN under the Information menu to view this information.

  • Page 133: Network Information

    IP, Unified CM, SRST, MLPP, QoS, security, URL, and locale information is displayed in the Network Information section of the phone webpage. Browse to the web interface (http://x.x.x.x) of the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, or 7926G then select Network under the Information menu to view this information.

  • Page 134: Stream Statistics

    The MOS value should be greater than or equal to 4.0 when using G.722 or G.711. A MOS value of 3.8 is the highest possible value when using G.729. Browse to the web interface (http://x.x.x.x) of the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, or 7926G then select Stream Statistics.

  • Page 135: Wireless Lan Statistics

    This information is also available locally on the phone under Settings > Status > Call Statistics or if on a phone call press the center button twice. For more information, see the Troubleshooting the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G chapter in the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Administration Guide at this URL: http://www.cisco.com/en/US/products/hw/phones/ps379/prod_maintenance_guides_list.html...

  • Page 136: Network Statistics

    Browse to the web interface (http://x.x.x.x) of the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, or 7926G then select Wireless LAN under the Statistics menu to view this information. Network Statistics IP, TCP, and UDP statistic information is displayed in the Network Statistics section of the phone webpage.
  • Page 137 If on a phone call, should see the DataRcvVO counter increasing assuming QoS has been deployed correctly. This reflects that voice packets are being properly marked as UP6 (VO) downstream to the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G.

  • Page 138: Cisco 7926G Barcode Status Messages

    To view the status messages navigate to Settings > Status > Status Messages. The barcode scanner firmware for the Cisco Unified Wireless IP Phone 7926G is included in the signed COP and ZIP files (scanner firmware is not included in the TAR file).

  • Page 139: Trace Modules

    Syslog can also be enabled to capture logging real-time via the wireless LAN or USB interface. Trace Modules Kernel Operating System Wireless LAN Driver Channel scanning, roaming, authentication Wireless LAN Manager WLAN Management, QoS Configuration Phone configuration, firmware upgrade Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...

  • Page 140: Trace Levels

    Reboot is set to No. Trace Logs To download the phone logs, browse to the web interface (http://x.x.x.x) of the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, or 7926G then select Trace Logs. Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...

  • Page 141: Traffic Stream Metrics (Tsm)

    TSM. To view Traffic Stream Metrics data for a client, select TSM from the drop down menu for which frequency band the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G is using.

  • Page 142: Radio Status Indicator

    Radio Status Indicator As of the 1.3(3) release, the Cisco Unified Wireless IP Phone 7925 can help determine whether the radios is functional or not by displaying a number of bars for the signal indicator. The number of bars equates to the signal received by the access point and will display those bars in either grey, yellow or green depending on the current status.

  • Page 143: Hardware Diagnostics

    Firmware Recovery If the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, or 7926G does no boot properly, then the firmware can be recovered via the USB connection. Be aware that the current settings will be reset to factory defaults when performing the firmware recovery process.

  • Page 144: Restoring Factory Defaults

    The current display can be captured by browsing to http://x.x.x.x/CGI/Screenshot, where x.x.x.x is the IP address of the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G. At the prompt enter the username and password for the account for which the phone is associated to.

  • Page 145: Healthcare Environments

    Cleaning the Phone The Cisco Unified Wireless IP Phone 7925G and 7926G are IP54 rated, which is designed to provide protection from dust, liquid splashes and moisture, where the Cisco Unified Wireless IP Phone 7925G-EX is IP64 rated for complete dust protection.
  • Page 146 Party Accessories Carry Cases www.zcover.com • www.systemwear.com Chargers www.zcover.com • Headsets www.plantronics.com (Quick Disconnect 2.5 mm Adapter – part # 65287-01) • www.jawbone.com www.jabra.com Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...
  • Page 147 The batteries and chargers are the same for the 7925G, 7925G-EX, and 7926G, but have different cases. The Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G has a 2.5 mm, 3 band / 4 conductor wired headset jack (Nokia compatible).

  • Page 148: Additional Documentation

    Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Administration Guide http://www.cisco.com/en/US/products/hw/phones/ps379/prod_maintenance_guides_list.html Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G User Guide and Quick Reference http://www.cisco.com/en/US/products/hw/phones/ps379/products_user_guide_list.html Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Accessory Guide http://www.cisco.com/en/US/docs/voice_ip_comm/cuipph/7925g_7925gEX_7926/8_0_1/english/accessory_guide/P256_BK_ W4FDAA91_00_wireless-ip-phone-accessories-guide.html...
  • Page 149 Cisco Autonomous Access Point Documentation http://www.cisco.com/en/US/partner/docs/wireless/access_point/12.4.25d.JA/Configuration/guide/cg_12_4_25d_JA.html Open Source License Notices for the Cisco Unified IP Phones 7900 Series http://www.cisco.com/en/US/products/hw/phones/ps379/products_licensing_information_listing.html Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide...
  • Page 150 Cisco and any other company. (0809R) The Bluetooth word mark and logo are registered trademarks owned by Bluetooth SIG, Inc., and any use of such marks by Cisco Systems, Inc., is under license.

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