Cisco 7945G - Unified IP Phone VoIP Sorun Giderme ve Bakım - Sayfa 19

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Cisco 7945G - Unified IP Phone VoIP Sorun Giderme ve Bakım

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