[SR-Users] ACK Branch ID

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(a)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(a)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