Yes, set the core parameter syn_branch=0 in the config.

Michel Freiha michel.freiha@nymgo.com wrote:

Dear Sir,

My Kamailio Server is sending the same Branch ID for all calls on ACK message... Is there a way to make this Branch id different for each call?

U X.X.X.X:5060 -> Y.Y.Y.Y:5060 ACK sip:Y.Y.Y.Y:5060;transport=udp SIP/2.0. *Via: SIP/2.0/UDP X.X.X.X;branch=z9hG4bKcydzigwkX.* Via: SIP/2.0/UDP Z.Z.Z.Z:5060;branch=z9hG4bK077293e0;rport=5060. From: "1111" sip:1111@Z.Z.Z.Z;tag=as35541df8. To: sip:011919986013142@X.X.X.X;tag=52BBDC4F-18FAC498-AC1C1B69. Contact: sip:1111@Z.Z.Z.Z. Call-ID: 051f04c861941212308149bf3e7e4ea0@Z.Z.Z.Z. CSeq: 102 ACK. User-Agent: Switch. Max-Forwards: 69. Content-Length: 0. .

U X.X.X.X:5060 -> Y.Y.Y.Y:5060 ACK sip:Y.Y.Y.Y:5060;transport=udp SIP/2.0. *Via: SIP/2.0/UDP X.X.X.X;branch=z9hG4bKcydzigwkX.* Via: SIP/2.0/UDP Z.Z.Z.Z:5060;branch=z9hG4bK577c532e;rport=5060. From: "801555555555" sip:801555555555@Z.Z.Z.Z;tag=as706a0ac1. To: sip:011919916731781@X.X.X.X;tag=52BBDC34-18FABB83-AC1C1B69. Contact: sip:801555555555@Z.Z.Z.Z. Call-ID: 5a795f6a1c76095a515a22fd356526ea@Z.Z.Z.Z. CSeq: 102 ACK. User-Agent: Switch. Max-Forwards: 69. Content-Length: 0. . Regards

--

Michel Freiha

Product Manager

NYMGO S.A.

Office: +961 1 373725 ext.116

25 Avenue de la Liberte

L-1931 Luxembourg

www.nymgo.com

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SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users@lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

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