If I need to use SIP, from where to get the suitable firmware for these Cisco IP Phones 7942G?

Be careful, not all versions of SIP firmware work with asterisk. I do have 8-3-1 (cmterm-7941_7961-sip.8-3-1)here and it works just fine with my 7961. Downloaded somewhere. Version 9.x is broken, SIP only works over TCP.

Where do u download the SIP firmware usually for your Cisco IP Phones?

Search for "cmterm-7941_7961-sip.8-3-1.zip"
I also have some other files here but I don't remember what was the reason for them :-(


Your kindly help is highly appreciated.

I'm using the sip firmware.. It's alright.. I feel like I'm
not receiving
all the features I should.. But MWI works and multiple call

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