Extension that do not communicate


(Michele) #1

Hi everyone, I have configured the server with FreePBX and 2 Yealink phones, but when they call each other the call works but when I try to answer the audio does not go through and the two phones are silent … what can I do


(Communication Technologies) #2

Audio (RTP) uses ports 10,000-20,000 by default. Is there any firewalls between the phones and or PBX? Set SIP debug on and possibly do a wireshark if you are not sure where the block could be.

https://wiki.freepbx.org/display/SUP/Providing+Great+Debug


#3

In Asterisk SIP Settings, confirm that Local Networks and External Address are correctly set. After changing these, Submit and Apply Config, you must restart Asterisk.


(system) closed #4

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