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Advice for setting up a SIP server (alien.top)

submitted 1 year ago by MushroomGecko@alien.top to c/voip@netheads.online

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Hi! I just came in possession of a Cisco 7942 IP phone and I am eager to set it up. I did some research and discovered how to flash it with SIP firmware as opposed to the SCCP firmware. As for the actual SIP server, I discovered Kamailio and decided on this one as it is in the main package list for OpenBSD which is the platform I mainly want to develop this on. I also discovered Siremis as a GUI for Kamailio, but it seems development has been lacking. Does anyone have any tips or tricks or advice on setting up a SIP server? Anything weird I need to look out for? Any challenges you guys specifically faced when setting up a SIP server? Thank you for any tips and advice!

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[–] QPC414@alien.top 1 points 1 year ago (2 children)

Start by getting a phone that supports generic SIP and is not proprietary. The 7942 is EOL, and unless you load the 3pcc/mpp Multi-Party Platform firmware on it, it will only work with Cisco CallManager systems. In leu of a desk phone you could use a softphone on your computer, tablet or smart phone.

[–] sanmigueelbeer@alien.top 1 points 1 year ago

unless you load the 3pcc/mpp Multi-Party Platform firmware on it, it will only work with Cisco CallManager systems

No, that is not true.

There are so many users of CP-79xx who have integrated them to Asterisk and 3CX phone system.

I, for instance, have several 7965 & 9951 at home and connected to FreePBX.

[–] MushroomGecko@alien.top 1 points 1 year ago

The 7942 is just something I was given for free. It was gonna be thrown out, but I was gifted it to play around with.