Wideband Codec Setup; Idle Display Setup - Cisco 8961 Administration Manual
Unified communications manager 10.0 sip
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Cisco Unified IP Phone Customization
Wideband Codec Setup
By default, the G.722 codec is enabled for the Cisco Unified IP Phone 8961, 9951, and 9971. If Cisco Unified
Communications Manager is configured to use G.722 and if the far endpoint supports G.722, the call connects
using the G.722 codec in place of G.711.
This situation occurs regardless of whether the user has enabled a wideband headset or wideband handset,
but if either the headset or handset is enabled, the user may notice greater audio sensitivity during the call.
Greater sensitivity means improved audio clarity but also means that the far endpoint can hear more background
noise: noise such as rustling papers or nearby conversations. Even without a wideband headset or handset,
some users may prefer the additional sensitivity of G.722 distracting. Other users may prefer the additional
sensitivity of G.722.
The Advertise G.722 Codec service parameter affects whether wideband support exists for all devices that
register with this Cisco Unified Communications Manager server or for a specific phone, depending on the
Cisco Unified Communications Manager Administration window where the parameter is configured:
• Advertize G.722 Codec field: From Cisco Unified Communications Manager Administration, choose
• A specific phone advertises the G.722 codec: From Cisco Unified Communications Manager
Idle Display Setup
You can specify an idle display (text only; text file size should not exceed 1M bytes) that appears on the phone
screen. The idle display is an XML service that the phone invokes when the phone is idle (not in use) for a
designated period and no feature menu is open.
For detailed instructions about creating and displaying the idle display, see Creating Idle URL Graphics on
Cisco Unified IP Phone at this URL:
http://www.cisco.com/en/US/products/sw/voicesw/ps556/products_tech_note09186a00801c0764.shtml
In addition, see the Cisco Unified Communications Manager Administration Guide or the Cisco Unified
Communications Manager Bulk Administration Guide for the following information:
• Specifying the URL of the idle display XML service:
REVIEW DRAFT - CISCO CONFIDENTIAL
System > Enterprise Parameters. The default value of this enterprise parameter is True, which means
that all Cisco Unified IP Phone Models 9971 that register to this Cisco Unified Communications Manager
advertise G.722 to Cisco Unified Communications Manager. If each endpoint in the attempted call
supports G.722 in the capabilities set, Cisco Unified Communications Manager chooses that codec for
the call whenever possible.
Administration, choose Device > Phone. The default value of this product-specific parameter is to use
the value that the enterprise parameter specifies. If you want to override this on a per-phone basis, choose
Enabled or Disabled in the Advertise G.722 Codec parameter in the Product Specific Configuration
area of the Phone Configuration window.
◦ For a single phone: Idle field in the Phone Configuration window in Cisco Unified Communications
Manager Administration.
◦ For multiple phones simultaneously: URL Idle field in the Enterprise Parameters Configuration
window, or the Idle field in the Bulk Administration Tool (BAT)
◦ Specifying the length of time that the phone is not used before the idle display XML service
is invoked:
Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Communications Manager 10.0
Wideband Codec Setup
(SIP)
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