Resetting Or Restoring The Cisco Unified Ip Phone - Cisco 7906G - Unified IP Phone VoIP Administration Manual

Chapter 9 Troubleshooting and Maintenance

Resetting or Restoring the Cisco Unified IP Phone

Cisco Unified IP Phone 7906G and 7911G for Cisco Unified Communications Manager 6.1
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Table 9-2 Cisco Unified IP Phone Troubleshooting (continued)
Summary
Call established with the iLBC
protocol does not show that the
iLBC codec is being used
There are two methods for resetting or restoring the Cisco Unified IP Phone:
Performing a Basic Reset, page 9-22
•
Performing a Factory Reset, page 9-23
•
Resetting or Restoring the Cisco Unified IP Phone
Explanation
Call statistics display does not show iLBC as
the receiver/sender codec.
Check the following using Cisco Unified
1.
Communications Manager
Administration:
Both phones are in the iLBC device
–
pool.
The iLBC device pool is configured
–
with the iLBC region.
The iLBC region is configured with
–
the iLBC codec.
Capture a sniffer trace between the phone
2.
and Cisco Unified Communications
Manager and verify that SCCP messages,
OpenReceiveChannel, and
StationMediaTransmit messages have
media payload type value equal to 86. If
so, the problem is with the phone;
otherwise, the problem is with the Cisco
Unified Communications Manager
configuration.
Enable audio server debug and capture
3.
logs from both phones. If needed, enable
Java debug.
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