Cisco 7965G - Unified IP Phone VoIP Resolução de problemas e manutenção - Página 19

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Cisco 7965G - Unified IP Phone VoIP Resolução de problemas e manutenção
Troubleshooting and Maintenance
Summary
Call established with the iLBC protocol does not show
that the iLBC codec is being used

General Troubleshooting Tips for Cisco Unified IP Phone Expansion Module

The following table provides general troubleshooting information for the Cisco Unified IP Phone Expansion
Module.
Table 3: Cisco Unified IP Phone Expansion Module Troubleshooting
Problem
No display on the Cisco Unified IP Phone Expansion
Module.
Lighted buttons on the first Cisco Unified IP Phone
Expansion Module are all red.
Lighted buttons on the second Cisco Unified IP Phone
Expansion Module are all amber.
General Troubleshooting Tips for Cisco Unified IP Phone Expansion Module
Explanation
Call statistics display does not show iLBC as the
receiver/sender codec.
1. Check the following by using Cisco Unified
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.
2. Capture a sniffer trace between the phone 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.
3. Enable audio server debug and capture logs from
both phones. If needed, enable Java debug.
Solution
Verify that all of the cable connections are correct.
Verify that you have power to the Cisco
Unified IP Phone Expansion Module.
Verify that the Cisco Unified IP Phone Expansion
Module is configured in Cisco
Unified Communications Manager.
Verify that the Cisco Unified IP Phone Expansion
Module is configured in Cisco
Unified Communications Manager.
Troubleshooting and Maintenance
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