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- Jul 9, 2024
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Hi, everyone.
In our company we always buy and use Snom D713 phones and add them to 3CX extensions then.
All our D713 phones are updated to 10.1.175.10 firmware.
Yesterday we have faced a strange issue. We got a new employee and created new 3CX extension (same as other extensions).
Then I tried to configure an old Snom D120 phone for this extension. Phone turns on and shows the extension and user name, date, etc., it looks working.
But when I call from this extension to my own and when I click "answer" the call shuts down immediately. I thought that the problem is the phoe itself, D120, maybe it is old, corrupted or smthg else.
I got a new D713 and then repeated the entire process. But problem still exists. Okay, I thought maybe this extension was problematic, we deleted it and created absolutely new one, even the internal number has been changed. Then I tried again and problem are not solved. I have no idea how to troubleshoot this issue or what I can do else.
Right now D713 is configured, I can see number and name on the interface. I can call from it, but when I accept it from the other side call shuts down in a second.
When I tried to call from my own 3CX desktop app to this extension, call shuts down and I see "media negotiation failed" error.
Maybe, you can help me.
In our company we always buy and use Snom D713 phones and add them to 3CX extensions then.
All our D713 phones are updated to 10.1.175.10 firmware.
Yesterday we have faced a strange issue. We got a new employee and created new 3CX extension (same as other extensions).
Then I tried to configure an old Snom D120 phone for this extension. Phone turns on and shows the extension and user name, date, etc., it looks working.
But when I call from this extension to my own and when I click "answer" the call shuts down immediately. I thought that the problem is the phoe itself, D120, maybe it is old, corrupted or smthg else.
I got a new D713 and then repeated the entire process. But problem still exists. Okay, I thought maybe this extension was problematic, we deleted it and created absolutely new one, even the internal number has been changed. Then I tried again and problem are not solved. I have no idea how to troubleshoot this issue or what I can do else.
Right now D713 is configured, I can see number and name on the interface. I can call from it, but when I accept it from the other side call shuts down in a second.
When I tried to call from my own 3CX desktop app to this extension, call shuts down and I see "media negotiation failed" error.
Maybe, you can help me.
