one way audio

  1. one way voice issue

    hello guys, i am having a one way voice, rtp is not reaching the 3cx sip phone, and i suspect that it is because the header contact "sip:+3xxxxxxxxxxx@@ip1:5060" and the body IN IP4 @ip2 are using different ip addresses, did anyone ever faced this issue with 3CX ? is it possible to force 3CX...

  2. One Way Speech Path

    I have an issue with a one way speech path on a hosted 3CX installation. Extension to Extension on the 3CX app (iPhone) The Called Party can be heard but they cannot hear the calling party.

  3. Strange One Way Audio Issue

    We have been having a really weird and specific issue that I have not been able to figure out. The phones in our office are 3CX, its an on-premise system, running on Debian. We use sip.us for the provider. We have a client who is also on 3CX on Debian, and they're using Voxtelesys. When we...

  4. Need help, Stun Provisioning No Audio from remote site after resume from hold

    Hello Guys, I have a 3CX Debian installed on premise , using latest version of Enterprise 18.0 (Build 461) on a mini PC, Everything work well on premise. i have one 1 IP Phone Yealink T31G have been installed on a remote site using stun Direct, Having many issue before it got provisioned. Now...
    • UZZY
    • Thread
    • 3cx no audio one way audio stun provisioning stun remote yealink phone
    • Replies: 17
    • Forum: Phone System / PBX

  5. one way audio after update from v16 to v18

    Hi guys, Last night I updated the 3cx v16 to v18 and as a result when remote stun users called each other, they would have one way audio When they called at the HQ where the pbx is located it was working properly I restored the VM back to v16 and everything was back to normal. Any ideas ?
    • leo_xposed
    • Thread
    • one way audio update v18
    • Replies: 3
    • Forum: Other

  6. Solved One Way Audio on Queue Answer

    Hi, I have a strange issue and I'm just looking for pointers on where to start looking. If a caller dials an extension, everything is fine If a caller dials a queue and the SAME user answers, then the INCOMING audio is dead i.e. The caller can hear the user, but the user cannot hear the...

  7. One way audio - 16.7.5 android update from 27th May 2021

    Hi, We've got a user working from home with one way audio (she hears others, they can't hear her) since receiving the 27 May 2021 3CX for android update 16.7.5. So far we've tried everything short of having her factory reset her phone, which we won't ask her to do on her personal device. It...
    • mokane
    • Thread
    • 16.7.5 android android update one way audio
    • Replies: 5
    • Forum: Android

  8. One way audio for about 15 seconds then everything is fine

    Hey, fresh install for a client we did today. All but 2 phones are desktop Yealink T46s and the rest is windows softphones (18) I have an issue with 4 of his softphones. They are HP thin clients used to connect to remote Citrix connexions. The call comes in and the first 15 seconds of the call...

  9. Sometimes one way audio problem

    Hi, I've been looking through the forum to find a possible solution for this problem but so far nothing was able to help me solve the problem. Occasionally there is a problem that a call is only one way audio. (Usually the first call that is made by the device) It usually happens when an...
  10. Bill Schalck

    Solved Yet another one way audio post, outbound SIP trunk calls, called party can not hear

    I've been reading various posts about this all morning and can not find anything that could be causing this. I've looked at all the common "culprits" on dozens of posts. I can make extension to extension calls with no issues with clients that are on and off our internal network. I can receive...
  11. YiannisH_3CX

    3CX Phone System Audio Ports Increased

    Please note that in the latest 3CX Phone System update with build number 15.5.15502.6 (V15.5 SP6) the audio ports were increased for both internal and external communication. How can this affect you: If the additional ports are not forwarded you could experience one way audio issues after some...

  12. Occasional one way audio

    3CX 15.5, ATT Sip Trunk, Sonicwall Firewall System has been up and running for 2 years without a problem. About a month ago, the system will stop receiving RTP packets from ATT. Callers can hear us but we can not hear them. Internal calls work just fine. I have opened a ticket with ATT...

  13. Comcast and incoming call

    It seems that every time Comcast has an outage, 3CX 15.5 loses the ability to receive calls until I restart services. The first time it happened I reached out to our VoIP provider and they informed me that this is a known issue with 15.X. Can someone verify this? And if so, is there a way to...
  14. SonnyPeas

    Iphone 6s iOs 10+ - One Way App Calling

    When Iphone 6s picks up 3cx Mobile App call, there won't be any audio. Other end reports 1 way (they can hear me but I can't hear them) and Sometimes there isn't any audio at all. The app tunnels back to Phone Sys, Firewall is clear and it's stationary on wifi NOT USING 3G,4G,LTE
    • SonnyPeas
    • Thread
    • 3cx mobile app no audio one way audio
    • Replies: 12
    • Forum: iOS
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