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Ack is not received

Discussion in '3CX Phone System - General' started by akito, Aug 17, 2011.

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  1. akito

    Joined:
    Sep 9, 2009
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    Hello,

    Im having a problem with my 3CX system. Everything used to run smoothly and without any trouble, but now with every phonecall (extension to extension & extenstion to pstn) I get an ACK is not received everytime.
    My extensions are 2 Android phones and 1 iPhone. Interesting is that the iPhone does not have this problem, but all 3 phones are within the same network. The server is on a public IP without firewalls.
    The Android phones started showing this problem after an update was of the 3CX client was received but I cant rollback the update.

    What I have noticed also, is that with the 3CX softphone for Windows, the problem doesnt occur. Windows to Android and the call stays connected. Android to Windows to disconnect with an ACK not received. The Windows computer is within the same network as the Android phones.

    Has anyone got any clue what could the problem? Since it 'suddenly' appeared after an update of the client software. But it would seem strange to me that that could be the cause.

    Below an extraction of the log:
    18:25:12.685 [CM503008]: Call(3): Call is terminated
    18:25:12.685 [CM503021]: Call(3): ACK is not received
    18:24:41.998 Currently active calls - 1: [3]
    18:24:40.591 [CM503007]: Call(3): Device joined: sip:102@190.235.x.x:43446;ob
    18:24:40.591 [CM503007]: Call(3): Device joined: sip:104@190.235.x.x:39925;ob
    18:24:39.466 [CM505001]: Ext.102: Device info: Device Not Identified: User Agent not matched; Capabilities:[reinvite, replaces, able-no-sdp, recvonly] UserAgent: [3CXPhone for Android 1.2.12] PBX contact: [sip:102@x.x:5060]
    18:24:39.466 [CM503002]: Call(3): Alerting sip:102@x.x:43446;ob
    18:24:39.154 [CM503025]: Call(3): Calling Ext:Ext.102@[Dev:sip:102@190.235.x.x:43446;ob]
    18:24:39.123 [CM503004]: Call(3): Route 1: Ext:Ext.102@[Dev:sip:102@190.235.x.x:43446;ob]
    18:24:39.123 [CM503010]: Making route(s) to <sip:102@94.124.x.x:5060>
    18:24:39.123 [CM505001]: Ext.104: Device info: Device Not Identified: User Agent not matched; Capabilities:[reinvite, replaces, able-no-sdp, recvonly] UserAgent: [3CXPhone for Android 1.2.12] PBX contact: [sip:104@94.124.x.x:5060]
    18:24:39.107 [CM503001]: Call(3): Incoming call from Ext.104 to <sip:102@94.124.x.x:5060>

    Just for completeness, the firewall checker log:
    <18:45:45>: Phase 1, checking servers connection, please wait...
    <18:45:46>: Stun Checker service is reachable. Phase 1 check passed.
    <18:45:46>: Phase 2a, Check Port Forwarding to UDP SIP port, please wait...
    <18:45:46>: UDP SIP Port is set to 5060. Response received correctly with no translation. Phase 2a check passed.

    <18:45:46>: Phase 2b. Check Port Forwarding to TCP SIP port, please wait...
    <18:45:46>: TCP SIP Port is set to 5060. Response received correctly with no translation. Phase 2b check passed.

    <18:45:46>: Phase 3. Check Port Forwarding to TCP Tunnel port, please wait...
    <18:45:46>: TCP TUNNEL Port is set to 5090. Response received correctly with no translation. Phase 3 check passed.

    <18:45:46>: Phase 4. Check Port Forwarding to RTP external port range, please wait...
    <18:45:47>: UDP RTP Port 9000. Response received correctly with no translation. Phase 4-01 check passed.
    <18:45:47>: UDP RTP Port 9001. Response received correctly with no translation. Phase 4-02 check passed.
    <18:45:47>: UDP RTP Port 9002. Response received correctly with no translation. Phase 4-03 check passed.
    <18:45:47>: UDP RTP Port 9003. Response received correctly with no translation. Phase 4-04 check passed.
    <18:45:47>: UDP RTP Port 9004. Response received correctly with no translation. Phase 4-05 check passed.
    <18:45:47>: UDP RTP Port 9005. Response received correctly with no translation. Phase 4-06 check passed.
    <18:45:47>: UDP RTP Port 9006. Response received correctly with no translation. Phase 4-07 check passed.
    <18:45:47>: UDP RTP Port 9007. Response received correctly with no translation. Phase 4-08 check passed.
    <18:45:47>: UDP RTP Port 9008. Response received correctly with no translation. Phase 4-09 check passed.
    <18:45:47>: UDP RTP Port 9009. Response received correctly with no translation. Phase 4-10 check passed.
    <18:45:47>: UDP RTP Port 9010. Response received correctly with no translation. Phase 4-11 check passed.
    <18:45:47>: UDP RTP Port 9011. Response received correctly with no translation. Phase 4-12 check passed.
    <18:45:47>: UDP RTP Port 9012. Response received correctly with no translation. Phase 4-13 check passed.
    <18:45:47>: UDP RTP Port 9013. Response received correctly with no translation. Phase 4-14 check passed.
    <18:45:47>: UDP RTP Port 9014. Response received correctly with no translation. Phase 4-15 check passed.
    <18:45:47>: UDP RTP Port 9015. Response received correctly with no translation. Phase 4-16 check passed.
    <18:45:47>: UDP RTP Port 9016. Response received correctly with no translation. Phase 4-17 check passed.
    <18:45:47>: UDP RTP Port 9017. Response received correctly with no translation. Phase 4-18 check passed.
    <18:45:47>: UDP RTP Port 9018. Response received correctly with no translation. Phase 4-19 check passed.
    <18:45:47>: UDP RTP Port 9019. Response received correctly with no translation. Phase 4-20 check passed.
    <18:45:47>: UDP RTP Port 9020. Response received correctly with no translation. Phase 4-21 check passed.
    <18:45:47>: UDP RTP Port 9021. Response received correctly with no translation. Phase 4-22 check passed.
    <18:45:47>: UDP RTP Port 9022. Response received correctly with no translation. Phase 4-23 check passed.
    <18:45:47>: UDP RTP Port 9023. Response received correctly with no translation. Phase 4-24 check passed.
    <18:45:47>: UDP RTP Port 9024. Response received correctly with no translation. Phase 4-25 check passed.
    <18:45:47>: UDP RTP Port 9025. Response received correctly with no translation. Phase 4-26 check passed.
    <18:45:47>: UDP RTP Port 9026. Response received correctly with no translation. Phase 4-27 check passed.
    <18:45:47>: UDP RTP Port 9027. Response received correctly with no translation. Phase 4-28 check passed.
    <18:45:47>: UDP RTP Port 9028. Response received correctly with no translation. Phase 4-29 check passed.
    <18:45:48>: UDP RTP Port 9029. Response received correctly with no translation. Phase 4-30 check passed.
    <18:45:48>: UDP RTP Port 9030. Response received correctly with no translation. Phase 4-31 check passed.
    <18:45:48>: UDP RTP Port 9031. Response received correctly with no translation. Phase 4-32 check passed.
    <18:45:48>: UDP RTP Port 9032. Response received correctly with no translation. Phase 4-33 check passed.
    <18:45:48>: UDP RTP Port 9033. Response received correctly with no translation. Phase 4-34 check passed.
    <18:45:48>: UDP RTP Port 9034. Response received correctly with no translation. Phase 4-35 check passed.
    <18:45:48>: UDP RTP Port 9035. Response received correctly with no translation. Phase 4-36 check passed.
    <18:45:48>: UDP RTP Port 9036. Response received correctly with no translation. Phase 4-37 check passed.
    <18:45:48>: UDP RTP Port 9037. Response received correctly with no translation. Phase 4-38 check passed.
    <18:45:48>: UDP RTP Port 9038. Response received correctly with no translation. Phase 4-39 check passed.
    <18:45:48>: UDP RTP Port 9039. Response received correctly with no translation. Phase 4-40 check passed.
    <18:45:48>: UDP RTP Port 9040. Response received correctly with no translation. Phase 4-41 check passed.
    <18:45:48>: UDP RTP Port 9041. Response received correctly with no translation. Phase 4-42 check passed.
    <18:45:48>: UDP RTP Port 9042. Response received correctly with no translation. Phase 4-43 check passed.
    <18:45:48>: UDP RTP Port 9043. Response received correctly with no translation. Phase 4-44 check passed.
    <18:45:48>: UDP RTP Port 9044. Response received correctly with no translation. Phase 4-45 check passed.
    <18:45:48>: UDP RTP Port 9045. Response received correctly with no translation. Phase 4-46 check passed.
    <18:45:48>: UDP RTP Port 9046. Response received correctly with no translation. Phase 4-47 check passed.
    <18:45:48>: UDP RTP Port 9047. Response received correctly with no translation. Phase 4-48 check passed.
    <18:45:48>: UDP RTP Port 9048. Response received correctly with no translation. Phase 4-49 check passed.
    <18:45:48>: UDP RTP Port 9049. Response received correctly with no translation. Phase 4-50 check passed.


    Application exit code is 0
     
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