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No Audio Between Remote Extensions | 3CX Forums
https://www.3cx.com/community/threads/no-audio-between-remote-extensions.40955/
You may wish to consider using the 3CX SBC. One way audio issues seem to be quite common when a number of remote extensions are run behind the same router with no SBC used. It can also depend on your router. In the mean time (as suggested) try checking the option in 3CX (per extension), PBX delivers audio. joebocop Joined Dec 12, 2013 Messages 95
No Audio on remote extension | 3CX Forums
https://www.3cx.com/community/threads/no-audio-on-remote-extension.18351/
Good evening, I have a perplexing problem. I have installed the 3CXPhone on my Win7 machine at home to test the remote extension. I have forwarded all ports at my office to my PBX. When I dial anything, in this case voicemail 999, I hear it ring, the PBX picked up and no audio. I have call...
3CX Knowledge Base - Calls have one-way audio issues or no ...
https://help.3cx.com/kb/en-us/50-calling/135-calls-have-one-way-audio-issues-or-no-audio-what-can-i-do
Each extension with a remote STUN phone has the option “PBX Delivers Audio” ticked, On the remote site, each phone should have a static local IP address. Then in the remote site router, each extension port defined above should be mapped to the hardphone IP address associated. Phones should be rebooted/reprovisioned to take new settings account.
Solved - Audio issue on 3CX for windows | 3CX Forums
https://www.3cx.com/community/threads/audio-issue-on-3cx-for-windows.85644/
Access the Management Console and go to "Extensions >> Edit the extension >> Phone Provisioning", select 3CX App from the drop-down list. Scroll down and uncheck the option that reads "Use 3CX Tunnel for remote connections (3CX App only)".
SOLVED: No audio on remote extension - General Help ...
https://community.freepbx.org/t/solved-no-audio-on-remote-extension/38501
SOLVED: No audio on remote extension. after replacing (an old) Freebpx installation with 13, the remote extensions are able to register, intitiate calls, but there is no audio. During the call setup I can see a 401 error, and after a few seconds the line is dropped because no response from the external extension.
3CX external incoming calls no sound - VoIP Forum - Spiceworks
https://community.spiceworks.com/topic/2175148-3cx-external-incoming-calls-no-sound
After upgrading to 3CX version 15.5 SP6, I am now facing an intermittent issue with 3CX external incoming calls. The problem is there are no sounds when we pick up the phone. If we restart all 3CX services it will work again for a week or so. It only happens with external incoming calls, outgoing and internal calls are working fine.
3CX Guide - Remote Working Troubleshooting Guid - The ...
https://www.technology-group.com/3cx-remote-working-troubleshooting-guide.html
Windows Key+X > Device Manager > View tab > Show hidden devices > Sound, Video & game controllers > Right Click on the entry below (if more than one, then you will have to repeat the steps for all) > Properties > Driver Tab > Update - Update driver. Lastly you may also need you Windows access to microphone.
3CX SIP client with IP office registered but no audio ...
https://www.tek-tips.com/viewthread.cfm?qid=1651508
RE: 3CX SIP client with IP office registered but no audio. mayubi (TechnicalUser) (OP) 13 Jun 11 16:17. Was observing the monitor for some time after the call established and then put one of the SIP client on Hold and saw these lines in RED. 192.168.0.14 : SIP client in the private LAN. 192.168.0.133 : DSL Router IP.
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