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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.
How to solve VoIP one way audio- step by step.
https://www.voipmechanic.com/voip-one-way-audio.htm
Solve One Way Audio-Step by Step. One way audio where one side or one party can hear the other, but not reverse, is typically indicative of something stopping either the outbound or inbound audio from reaching the receiving party. One way audio can be caused by network issues; NAT (Network Address Translation) issues or firewalls, so finding the cause will require …
New 3CX install, random dropped calls and one way …
https://www.reddit.com/r/3CX/comments/6ocpxf/new_3cx_install_random_dropped_calls_and_one_way/
New 3CX install, random dropped calls and one way audio. Have a new v15.5 cloud hosted pbx that passes the firewall test, a 3CX sbc at the main office for about 20 yealink phones and several small remote offices with 1-3 yealink phones using stun. Pcmu codec for phones and trunk. 95% of calls are great but a small percentage are one way audio or get choppy or dropped mid 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.
One way audio with VOIP - Spiceworks
https://community.spiceworks.com/topic/1836961-one-way-audio-with-voip
I'm having one way audio issues with my VOIP system. My ISP is Comcast with 100 Mbps. My VOIP provider is Vonage. I have the PC and VOIP system sharing the same pipe. I've called vonage tech support and they walked me through numerous potential solutions such as extending the UDP timeout to 300 ms, enable consistent NAT, and a few others.
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.
Occasional 1 way audio - remote users : 3CX
https://www.reddit.com/r/3CX/comments/fxxaxd/occasional_1_way_audio_remote_users/
My 3CX setup is locally hosted with remote users (non-VPN). This was never a problem when users were on site, and doesn't happen with all users. We're having an issue where occasionally my clients cannot hear on phone calls. We have comcast SIP lines for the back end, and our internet connect is 500 up/down. 80,443,5090, 5060-5061, 9000-10999 ...
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