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A string has been attached to user part of contact header of REGISTER

  • 1.  A string has been attached to user part of contact header of REGISTER

    Posted 12-22-2016 02:37
    A sip phone has registered to SIP Server(10.20.1.134) through SBC .
    REGISTER sip:10.20.1.134:5060 SIP/2.0
    Allow: INVITE, CANCEL, ACK, BYE, UPDATE, REGISTER, OPTIONS, INFO, MESSAGE
    Content-Length: 0
    CSeq: 1 REGISTER
    Expires: 3600
    Contact: <sip:300030-pQAAAVdnFHfM/oxILt92LoNT7PoAAAAe_21@10.50.1.170:5060;transport=udp;tenanttoken=Null_Tenant>;+sip.instance="<urn:uuid:5b49ba91-8715-4f5c-b110-26fe8b6bc3d0>";reg-id=1
    Call-ID: wlss-f301cd14-d0cdcba466c1dfd1bf094c7958333a23@10.50.1.170
    Max-Forwards: 70
    From: <sip:300030@10.20.1.134>;tag=de3fe677
    To: sip:300030@10.20.1.134
    Via: SIP/2.0/UDP 10.50.1.170:5060;wlsscid=65276a18e79;branch=z9hG4bKd6ee2f6d22f1be83df778a405d9d43ab

    however ,SBC reponses '404 Not Found ' when  SIPServer calls to 300030 .
    It's because the request uri of INVITE from SIP Server does not match the Contact of REGISTER message  :
    INVITE sip:300030@10.50.1.170:5060;transport=udp;tenanttoken=Null_Tenant SIP/2.0
    can the user part of request-uri changed to be the same as the one of Contact in REGISTER ?