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Phones Dropping Out 3CX V.15

Discussion in '3CX Phone System - General' started by aiaustralia, Jan 31, 2017.

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  1. aiaustralia

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    We are having an issue on 3cx V.15 where phones are dropping out several times a day and disrupting staff and calls. We are using Snom 715s. I believe I have tracked the issue down in the logs. I have pasted it in below.

    02/01/2017 8:25:28 AM - [CM505001]: Endpoint Extn:7680: Device info: Device Not Identified: User Agent not matched; Capabilities:[reinvite, replaces, able-no-sdp, recvonly] UserAgent: [snom715/8.9.3.38] PBX contact: [sip:7680@xx.xx.xx.11:5060]

    02/01/2017 8:25:28 AM - [CM500002]: Call(C:4978): Info on incoming INVITE from Extn:7680:
    Invite-IN Recv Req INVITE from xx.xx.xx.65:49906 tid=-y2a64gg5j9yr Call-ID=313438353839373932383134383735-9gg9eqj826q1:
    INVITE sip:9999@mydomain.com:5060;user=phone SIP/2.0
    Via: SIP/2.0/UDP xx.xx.xx.65:49906;branch=z9hG4bK-y2a64gg5j9yr;rport=49906
    Max-Forwards: 70
    Contact: <sip:7680@xx.xx.xx.65:49906;line=ts21u07a>;reg-id=1
    To: <sip:9999@mydomain.com:5060;user=phone>
    From: "Sibel Yilmaz"<sip:7680@mydomain.com:5060>;tag=boc0o9tqks
    Call-ID: 313438353839373932383134383735-9gg9eqj826q1
    CSeq: 57321 INVITE
    Session-Expires: 3600
    Min-SE: 90
    Accept: application/sdp
    Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO, UPDATE
    Content-Type: application/sdp
    Proxy-Authorization: Digest username="7680",realm="3CXPhoneSystem",nonce="414d535c0ea191c890:0eed902f6c4b039af3d1c13d0d79840b",uri="sip:9999@mydomain.com:5060;user=phone",response="d433cb23a0768c342720dd4150ecb533",algorithm=MD5
    Supported: timer, 100rel, replaces, from-change
    User-Agent: snom715/8.9.3.38
    Allow-Events: talk, hold, refer, call-info
    X-Serialnumber: xxxxxxxxxxxxx
    P-Key-Flags: resolution="31x13", keys="4"
    Content-Length: 311

    v=0
    o=root 543796048 543796048 IN IP4 10.61.13.65
    s=call
    c=IN IP4 10.61.13.65
    t=0 0
    m=audio 50160 RTP/AVP 0 8 9 18 101
    a=rtpmap:0 PCMU/8000
    a=rtpmap:8 PCMA/8000
    a=rtpmap:9 G722/8000
    a=rtpmap:18 G729/8000
    a=fmtp:18 annexb=no
    a=rtpmap:101 telephone-event/8000
    a=fmtp:101 0-15
    a=ptime:20
    a=sendrecv

    I'm not sure why it looks like the phones need to reauthenticate with the server all the time. Is there a way to resolve this problem?
     
    #1 aiaustralia, Jan 31, 2017
    Last edited by a moderator: Feb 1, 2017
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