Hi folks,
I am facing issue with one specific service provider where UAS is busy and hence sends 486 Busy message, and also get ACK for 486 Busy but UAS somehow couldn't match the ACK transaction and keep retransmitting 486 Busy till timeout. Can you have a look at ACK message below and suggest what is going wrong here. Best Regards, Vivek Batra INVITE sip:011441157180@192.168.1.136:5060 SIP/2.0 From: "Anonymous" <sip:NO_CALLER_ID@69.132.136.5:5060>;user=phone;tag=ccid-176140755-358439439 Contact: sip:NO_CALLER_ID@69.132.136.5:5060 Via: SIP/2.0/UDP 69.132.136.5:5060;branch=z9hG4bK-358439439-1 To: <sip:011441157180@192.168.1.136:5060> Call-ID: 20130110234604-474-162@69.132.196.11 CSeq: 1 INVITE SIP/2.0 486 Busy Here From: "Anonymous"<sip:NO_CALLER_ID@69.132.136.5:5060>;tag=ccid-176140755-358439439 ;user=phone To: <sip:011441157180@192.168.1.136:5060>;tag=5f9a28-8801a8c0-13c4-50ef98ff-4aa1 46a5-50ef98ff Call-ID: 20130110234604-474-162@69.132.196.11 CSeq: 1 INVITE Via: SIP/2.0/UDP 69.132.136.5:5060;received=69.132.196.11;branch=z9hG4bK-358439439-1 ACK sip:011441157180@192.168.1.136:5060 SIP/2.0 Via: SIP/2.0/UDP 69.132.196.11:5060;branch=z9hG4bK-358439439-1 From: "Anonymous"<sip:NO_CALLER_ID@69.132.136.5:5060>;tag=ccid-176140755-358439439 ;user=phone To: <sip:011441157180@192.168.1.136:5060>;tag=5f9a28-8801a8c0-13c4-50ef98ff-4aa1 46a5-50ef98ff Call-ID: 20130110234604-474-162@69.132.196.11 CSeq: 1 ACK SIP/2.0 486 Busy Here (keep retransmitting 486 Busy).. Best Regards, Vivek Batra _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
