Cisco Unified IP Phone 7900 Series

Field Notice: FN - 62135 - Cisco CallManager 4.1(3) May Prevent Manually Added IP Phones From Booting Up

August 16, 2005

Products Affected


7902 - CP-7902G

7905 - CP-7905

7905 - CP-7905G

7910 - CP-7910

7910SW - CP-7910+SW

7910SW - CP-7910G+SW

7912 - CP-7912G

7940 - CP-7940

7940 - CP-7940G

7960 - CP-7960

7960 - CP-7960G

Problem Description

Cisco CallManager (CCM) version 4.1(3) may prevent phones from booting up.


The conditions that result in this failure to boot are listed here:

  1. Customer is using Cisco CallManager (CCM) version 4.1(3)

  2. The CCM administrator has manually added the phones to the database.

Problem Symptoms

The main symptom is that the IP Phone will not boot up.



The workaround for this is that a new phone will need to be auto-configured and upgraded before any manual data is entered into the database for that phone. Auto-registration must be enabled on Cisco CallManager.


Upgrade CCM to version 4.1(3)SR1.


To follow the bug ID link below and see detailed bug information, you must be a registered user and you must be logged in.



CSCeg35909 (registered customers only)

Device Pool not getting updated for 7912 and 7905 phone.

For More Information

If you require further assistance, or if you have any further questions regarding this field notice, please contact the Cisco Systems Technical Assistance Center (TAC) by one of the following methods:

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