call dropped

  1. Incoming calls drop after about 17 seconds

    So recently had a power outage that lasted for a bit, afterwards our 3cx installation running on Linux debian had changed to DHCP for some unexplainable reason. Changed it back to it's default static IP, phones started to register immediately, Trunk registered, FQDN resolves, Firewall OK, SBC...
  2. Outgoing call drops as incoming call is coming in

    Hello all. I currently am hosting a 3CX instance in my AWS LightSail and have a client who is experiencing a issue when they are dialing a number out, or waiting for the other person to pickup, the call would be dropped when a incoming call comes in. The calls that are coming in are from a...
  3. Random Call Drops Internal & External

    Hi, Looking for some help/advice from the community. First issue is the Activity Log is full of the following error Exception: SipMessage::Exception Missing header Contact @ SipMessage.cxx:1393 Second issue is that calls drop at random. After some digging around last week the system was...
  4. Caller dropped during Attended Transfer

    Hi, We're having some trouble on our reception when transferring calls At the moment, if we use Attended transfer, reception gets put through to the destination voicemail but the original caller gets dropped. If we use unattended transfer, the original caller is put through to voicemail. What...
  5. Call Drops in 30 minutes - 15.5 version

    This is all over the internet, but have not found a solution yet. I just installed 3CX and it is on the latest version. Calls drop at 30 minutes. My SIP trunk provider confirmed that they send a invite after 30 minutes and the system returns a 602 error and at which point they drop the call. So...
  6. Bernie Wright

    Line Drops After Voicemail Greeting And Beep For An Extension

    I've seen this issue on multiple posts and haven't found a resolution yet. We are using a hosted server and multiple users have an issue with voicemail. We've set their personal greeting. When you call, the greeting plays, the line beeps, then the cell phone hangs up. The log shows an 8 second...
  7. calls dropped after session-expires is reach

    Hello, conference phones (grandstream GAC 2500) calls are been dropped with 488 Not Acceptable Here. The scenario is: phone-----------------------------------------------------------3CX----------------------------------------SIPTruk INVITE (no sesión-expires) ->...