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7960 Protocol Application Invalid

Hi,

I had a 7960 running with SIP firmware. When I changed the firmare to SCCP ver. 6(3) phone would not boot anymore. Error on screen is "Protocol Application Invalid". Any ideas to resolve issue ?

1 REPLY

Re: 7960 Protocol Application Invalid

Hi,

Just to crosscheck, please check the link below. It explains how to convert a phone back to sccp

http://www.cisco.com/en/US/tech/tk652/tk701/technologies_tech_note09186a0080094584.shtml#Rev

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