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No Audio Between Remote Extensions | 3CX Forums

    https://www.3cx.com/community/threads/no-audio-between-remote-extensions.40955/#:~:text=One%20way%20audio%20issues%20seem%20to%20be%20quite,option%20in%203CX%20%28per%20extension%29%2C%20PBX%20delivers%20audio.
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SOLVED: No audio on remote extension - General Help ...

    https://community.freepbx.org/t/solved-no-audio-on-remote-extension/38501
    Your remote phone is not providing the correct address for your RTP connection. Your local server isn’t getting any of the audio the other phone is sending. If you’re forwarding all traffic from 10000-20000 UDP ports to the phone server, then you should be seeing audio traffic coming in from the remote phone.

NO AUDIO ON REMOTE EXTENSIONS - UCM6202 - …

    http://forums5.grandstream.com/t/no-audio-on-remote-extensions-ucm6202/18610
    The remote extension use the public IP to register (successfully). At that point, remote extension can register, place and recieve calls but with no audio. Packet capture at the remote phone showed that it was trying to send RTP packet to UCM WAN 192.168.1.229 which of course didn’t work.

No audio on remote extension - Configuration - FreePBX ...

    https://community.freepbx.org/t/no-audio-on-remote-extension/71988
    Remote extension rings on incoming calls, successfully makes outgoing calls but no audio in or out in either case. Call setup/breakdown works on both extension-to-extension calls and calls to/from the PSTN. Both routers are set to ‘automatically open firewall and exclude from NAT’. Both office and remote LAN IPs are listed as local networks under FreePBX SIP Settings.

No audio on remote extension – Yeastar Support

    https://support.yeastar.com/hc/en-us/community/posts/360048733533-No-audio-on-remote-extension
    I have extension in remote office which is registered via DDNS in router. Extension register correctly but when I make call and session started there is no audio, on both sides. This is SIP settings in U100. Also NAT settings are as follow. As you can see from screenshot below extension 101 is connected

[SOLVED] Remote extensions no audio - Asterisk PBX ...

    https://community.spiceworks.com/topic/1052123-remote-extensions-no-audio
    I am able get registration with my remote extensions, but no audio. I have tried many port forwarding options from Google, but still no audio. The extensions do produce a ring, but once answered no audio for the voice. I have tried every possible configuration not sure what else there is. Any ideas why there is registration and no audio?

No Audio on remote extension | 3CX Forums

    https://www.3cx.com/community/threads/no-audio-on-remote-extension.18351/

    Remote Extensions: No Audio in Calls – Yeastar Support

      https://support.yeastar.com/hc/en-us/community/posts/115007574827-Remote-Extensions-No-Audio-in-Calls
      19 Remote extensions, all in the same subnet 172.28.5.0/27. Behind a Fortinet in NAT mode, SIP ALG disabled. ... Calls from extensions in Office B to extensions in Office B rings but NO AUDIO! I dont know if its a NAT issue, but I can't find a fix for it. Thank you very much, any help will be appreciated. ...

    No Audio Between Remote Extensions | 3CX Forums

      https://www.3cx.com/community/threads/no-audio-between-remote-extensions.40955/

      No audio extension to extension remote site - ShoreTel Forums

        https://www.shoretelforums.com/forum/shoretel-tech/administrators/75088-no-audio-extension-to-extension-remote-site
        No audio extension to extension remote site. There is a VPN connection between HQ and a new remote office for computer and phone service. The phone works as expected if you dial the remote phone's DID number. If you dial by extension you can’t hear the other person.

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