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One way audio on new system | 3CX Forums
https://www.3cx.com/community/threads/one-way-audio-on-new-system.39409/
0. May 7, 2014. #1. Hi there, I have setup a new 3CX V12 phone server here, and it is working great apart from only having one way audio. We can hear a caller but they don't hear us. We have setup our firewall (Cisco Palo Alto) and I have also run the Firewall Checker on the 3cx which says everything is fine. Internal calls work fine, just not ...
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
3CX Knowledge Base ... Certain calls are having one-way audio issues or no audio at all, what should I look for? Answer: This is typically caused by networking/firewall configuration issues. 1/ As a first step you should verify that the Firewall Checker Test passed successfully to confirm that the server-side firewall/routing is correct. If ...
One Way Audio | 3CX Forums
https://www.3cx.com/community/threads/one-way-audio.65659/
Hi, Having a problem with a customer using their android app where they can hear the caller crystal clear but the caller can't hear a thing. Customer complaining their mic isn't working with the app but I'd be more inclined to think it was a one way audio issue.
one way audio | 3CX Forums
https://www.3cx.com/community/threads/one-way-audio.17008/
I installed 3CX SIP Proxy Manager V9 and 3CX softphone in the same PC and it has no one way audio problem. It is the same way I can ask the user using VPN connection then use 3cx softphone. I wonder why I cannot put check 'use 3cx tunnel" and no using SIP Proxy manager program.
one way audio - no really ! | 3CX Forums
https://www.3cx.com/community/threads/one-way-audio-no-really.8034/
I know a lot of probs with one way audio due to firewall, but I really think mine is set up OK and am non-plussed. After recent upgrade to version 6.1 people can no longer hear me, but I can hear them. This is the set up: 3cx running on windows XP behind linksys wag325n router. ports 9000-9015 and 5060-5065 mapped to 3cx server pc.
How to solve VoIP one way audio- step by step.
https://www.voipmechanic.com/voip-one-way-audio.htm
If one way audio still exists check to see if you have a public or private (192.168.1.xxx) IP address. Public IP- Call your VoIP provider. If you are getting one-way audio with a public IP address, there is an issue with the way the VoIP provider is handling the call.
3CX external incoming calls no sound - VoIP Forum - Spiceworks
https://community.spiceworks.com/topic/2175148-3cx-external-incoming-calls-no-sound
We have quite a few SP6 installations, all have good two way audio. Audio issues on external call are most certainly firewall related. As stated above, most likely firewall related - Port forwarding, SIP ALG, full cone NAT. Firewall Checker. You may want to consider opening a ticket with 3CX Support.
What Causes VoIP One-Way Audio? - PathSolutions
https://www.pathsolutions.com/resources/what-causes-voip-one-way-audio/
One-way audio in a VoIP environment can be frustrating, as one caller can hear everything fine, but the other caller hears nothing. One-way audio can occur at the beginning of a call, or mid-way through an existing call. Here are the causes of one-way audio, listed in priority order: Firewall misconfiguration.
One way audio on remote location. Any advice? : 3CX
https://www.reddit.com/r/3CX/comments/8jy6zg/one_way_audio_on_remote_location_any_advice/
Enabled "PBX Delivers Audio" on all extensions. Set up QOS rules. Set up the 3CX SBC on a machine at our remote site. Ran the firewall checker and made sure all the right ports are visible at the PBX location. I'm now trying to set up port forwarding rules for each respective machine.
One way audio issue with 3CX PBX - Network Protection ...
https://community.sophos.com/utm-firewall/f/network-protection-firewall-nat-qos-ips/40851/one-way-audio-issue-with-3cx-pbx
One way audio issue with 3CX PBX. Sam71 over 9 years ago. Hi all, I have posted the following on the 3CX site! " I have read a few posts where they mention a similar issue to what we are experiencing with one way audio!
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