Using External Devices With Your Cisco Unified Ip Phone; Installing The Cisco Unified Ip Phone - Cisco 7906G - Unified IP Phone VoIP Administration Manual
Unified ip phone cisco unified communications manager 6.1
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Installing the Cisco Unified IP Phone
Using External Devices with Your Cisco Unified IP Phone
Caution
Installing the Cisco Unified IP Phone
Cisco Unified IP Phone 7906G and 7911G for Cisco Unified Communications Manager 6.1
3-8
The following information applies when you use external devices with the
Cisco Unified IP Phone:
Cisco recommends the use of good quality external devices (headsets) that are
shielded (screened) against unwanted radio frequency (RF) and audio frequency
(AF) signals.
Depending on the quality of these devices and their proximity to other devices
such as mobile phones or two-way radios, some audio noise may still occur. In
these cases, Cisco recommends that you take one or more of the following actions:
Move the external device away from the source of the RF or AF signals.
•
Route the external device cables away from the source of the RF or AF
•
signals.
Use shielded cables for the external device, or use cables with a better shield
•
and connector.
•
Shorten the length of the external device cable.
Apply ferrites or other such devices on the cables for the external device.
•
Cisco cannot guarantee the performance of the system because Cisco has no
control over the quality of external devices, cables, and connectors. The system
will perform adequately when suitable devices are attached using good quality
cables and connectors.
In European Union countries, use only external headsets that are fully compliant
with the EMC Directive [89/336/EC].
You must connect the Cisco Unified IP Phone to the network and to a power
source before using it. See
overview of the procedures that follow.
Chapter 3
Figure
3-2,
Figure
3-3, and
Setting Up the Cisco Unified IP Phone
Figure 3-4
for a graphical
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Troubleshooting
