Tobyl
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- May 25, 2014
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I have happened upon a Cisco 7940 IP phone an have successfully flashed it to the SIP firmware provided by Cisco.
I have tried to register the phone with an Asterisk (1.8.28.0) server running PIAF from another location, over the WAN. I have opened ports at both the server side and the phone side, and I can make other SIP devices register with the server from the same network as the 7940.
The Asterisk server is showing the phone as offline and any calls to the 7940 go straight to voicemail; "the person at extension XXX is unavailable".
I have watched every YouTube video on the topic and changed many settings to and fro, yet cannot make the phone register or receive calls. Interestingly though, I can make calls from the phone to another, and the receiving phone does show the correct extension number and display name of the 7940.
What is the problem? Why does the phone blatantly refuse to register? The asterisk log file doesn't even show anything useful. I am tearing my hair out...
Thank you very much in advance!!!
I have tried to register the phone with an Asterisk (1.8.28.0) server running PIAF from another location, over the WAN. I have opened ports at both the server side and the phone side, and I can make other SIP devices register with the server from the same network as the 7940.
The Asterisk server is showing the phone as offline and any calls to the 7940 go straight to voicemail; "the person at extension XXX is unavailable".
I have watched every YouTube video on the topic and changed many settings to and fro, yet cannot make the phone register or receive calls. Interestingly though, I can make calls from the phone to another, and the receiving phone does show the correct extension number and display name of the 7940.
What is the problem? Why does the phone blatantly refuse to register? The asterisk log file doesn't even show anything useful. I am tearing my hair out...
Thank you very much in advance!!!