Cisco IP Phone 7911 with no firmware

Unanswered Question
Mar 10th, 2010

Hi Guys, is it possible to recover a cisco ip phone 7911 from a missing firmware? if so how can i do it?

Please help me

Thanks in advance


I have this problem too.
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ochalmers Wed, 03/10/2010 - 09:39

Hi, I already have the files loaded on my router. the version of CME is 7.1

Paolo Bevilacqua Wed, 03/10/2010 - 09:43

configure tftp-server term11.default.loads

Sometime the 7911s think they are 7906s, so configure that also.

that should be sufficient, observe boot process with "debug tftp events" and "term mon".

ochalmers Wed, 03/10/2010 - 11:45

It's kind of weird because the ip phone 7911 does not even get an ip address and the screen is blank, any clues?


ochalmers Thu, 03/11/2010 - 06:40

Hi bevilacqua,

     The IP phone hasn't yet taken an ip address, i follow your recommendation and use the debug tftp-server and ter mon commands but i do not see any attempt to register the ip phone, so i configure a dhcp pool on the router but it seems not to work, i plug another cisco ip phone 7911 just to discard any error on my configuration but it works fine.

     I configure a span session to see in detail what the ip phone is doing and all traffic that i see is cdp nothing else, it seems that the ip phone never try to get an ip address.

Please Let me know any other idea.

Thanks in advance


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