I have a 7911 whose registration is kept failing on CCM 4.1(3)... The phone load is cmterm-7911_7906-sccp.8-4-1SR1.exe. Phone shows the correct phone load version while in the process of registration but it keeps failing. It simply displays registration rejected. When I ran the above mentioned file on publisher server, it installed some files in the TFTPPath. I also tried to manually add the phone in the CCM but the list of devices doesnt show 7911. I am doing it for SCCP only.. Any ideas please ?
most probably you don't meet the minimum requirements for that phone
Supported CallManager Versions
This Cisco Unified IP Phone 7906G and 7911G firmware release is supported with the following Cisco Unified CallManager versions. If you are running Cisco Unified CallManager release 3.0, 3.1, or 3.2, you must upgrade to Cisco Unified CallManager release 3.3(5) or later before you install this firmware release.
â¢Cisco Unified CallManager version 3.3(5) SR1 or later
â¢Cisco Unified CallManager version 4.0(2a) SR2b or later
â¢Cisco Unified CallManager version 4.1(3) SR1 or later
ciscocm.4-1-DevPack-25.3.exe, or later
Cisco Unified IP Phone 7906G and 7911G Release Notes for Firmware Release 7.2(3) for Cisco Unified CallManager 4.1
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