Asterisk Remote Extension One Way Audio

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SIP with NAT or Firewalls - Asterisk Guru

http://asteriskguru.com/tutorials/sip_nat_oneway_or_no_audio_asterisk.html#:~:text=-%3EIf%20the%20voip%20phone%20does%20not%20use%20STUN,way%20audio.%20%28The%20caller%20wont%20hear%20a%20thing%29.

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One way audio remote vpn based extension - Asterisk ...

https://community.asterisk.org/t/one-way-audio-remote-vpn-based-extension/44314

We are trying to setup a remote extension, using a openvpn connection on a hardphone (YealinkT28 equivalent). The VPN is up, I can ping the phone from the asterisk box, I can manage the phone from the openVPN server, the phone is registering, we can call the extension, the extension can make calls, however we only get one way audio.

[SOLVED] Remote extension, one-way audio on sip client ...

https://community.freepbx.org/t/solved-remote-extension-one-way-audio-on-sip-client/65376

If you still have trouble, at the Asterisk command prompt, type sip set debug peer 1234 (replace 1234 with the extension number of the Linphone user, with Linphone configured without STUN) then make a test call that fails with one-way audio. Paste the relevant section of the Asterisk log at https://pastebin.freepbx.organd post the link here.

Remote extensions suddenly have one-way audio - "Address ...

https://community.freepbx.org/t/remote-extensions-suddenly-have-one-way-audio-address-family-not-supported-by-protocol/80218

Remote extensions suddenly have one-way audio - "Address family not supported by protocol" rfmjohn (JohnG) December 29, 2021, 2:50pm #1 I am running FreePBX 15.0.17.64 with Asterisk 16.20.0 The FreePBX server is on my LAN - it is at 10.0.0.240. At the router, I port forward 5060 and 10001-20000 to the FreePBX box.

Correcting One-way Audio with a VoIP Call - Asterisk

https://www.asteriskpbxsystems.com/troubleshoot-oneway-audio.html

One-way audio can occur in either direction, however in-bound audio failure (lack of audio from the outside caller reaching the inside network (LAN) phone) is probably the most common. In many of these cases routers and firewalls could be the cause of audio not passing. Typically the voice traffic (RTP) is not being passed to the correct SIP ...

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