calls dropped

  1. Solved Yealink SIP-T46S and SIP-T41S dropped calls behind SBC

    Hi all, We are currently experiencing an issue with Yealink phones (SIP-T46S and SIP-T41S; all on firmware 66.86.0.180) that randomly drop calls. When the calls drop, all live calls are dropped. They are connected to an SBC (latest version) on a Windows Server 2024 located locally. Our 3CX...

  2. Calls dropping with dynamic IP setup

    Good morning, I have 3cx configured to work over 2 separate uplinks. When one goes down, it automatically uses the other. All firewall rules are configured the same for both. But whenever it switches to our other public IP, external calls drop after 3 seconds. Any ideas?

  3. 3CX Outbound Calls With Voiceflex Trunks Disconnect

    We have noticed this morning that all of our clients who use Voiceflex as a trunk provider are having issues calling out. The call disconnects after 10-15 seconds. I have spoken to Voiceflex who are aware of an issue but have said it is only happening with 3CX. Apparently, they are not receiving...
    • Matt_AIT
    • Thread
    • 3cx calls cutting off calls dropped trunk voiceflex
    • Replies: 7
    • Forum: Other

  4. Calls drop after 1 call (Internal and external)

    Hi I'm faced with the following problem that has given me the run around for the last few days and lead to several reinstalls of my 3cx instance. I have had 3cx running in azure but want to bring it on prem as this is just for a home lab and testing for the production one I have in azure...
    • iammike
    • Thread
    • calls dropped cause: 487 request terminated on premise sip unifi
    • Replies: 1
    • Forum: Other

  5. Random Calls Dropping

    I have a customer with what seems to be great internet with great speeds. I just installed a new phone system for them about a month ago, and there is a huge problem. Random calls on random extensions completely drop around 4 times a day. These calls usually drop around 28sec to 1:30 into the...

  6. Can't make outbound calls on iOS App

    Hi New to 3CX and already shocked by their support so turning to forums for support. We have 3CX hosted in cloud (OVH, their recommendation). The iOS app shows the extension registers fine and is able to make and receive calls from and to other extensions. However whenever I try to make...
    • Dhaval
    • Thread
    • calls dropped ios 10
    • Replies: 1
    • Forum: iOS

  7. Solved Calls dropped on ring connect

    I am running the latest version of the 3CX software on a Windows 2008 Server. I am experiencing dropped calls immediately after the caller dials the number. Number dialed->Connect->Immediately Dropped The phone does not ring nor connect. This is an intermittent problem, and only seems to...
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