[Serusers] scripts needed to gathering all SIP messages

Hello, I have txt file with calls flow. I look for a script to Create ,for example , a “679400FC-8C211DA-9C3DBF26-F375EEC9@192.168.52.52” file, gathering all SIP messages (find the way to easily detect the start and the end of every SIP messages). Thanks for help Harry 2005/08/10-12:44:44.324 ===== Received ======================= 12:44:44 324 id1/192.168.49.1:5061 <===UDP=== /192.168.49.1:5060 SIP/2.0 200 OK To: <sip:0097143389080@192.168.52.52>;tag=A8C32828-2670 Allow-Events: telephone-event Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, COMET, REFER, SUBSCRIBE, NOTIFY, INFO Server: Cisco-SIPGateway/IOS-12.x Call-ID: 679400FC-8C211DA-9C3DBF26-F375EEC9(a)192.168.52.52 Contact: <sip:0097143389080@192.168.52.52:5060> Content-Type: application/sdp CSeq: 107 INVITE Date: Wed, 10 Aug 2005 10:44:44 GMT Content-Length: 234 Via: SIP/2.0/UDP 192.168.49.1:5061;branch=z9hG4bK228 Record-Route: <sip:192.168.49.1;lr> From: <sip:497231265@id.centile.com>;tag=c74716fe-957a-816c-1304-aa9de235bd46 ___________________________________________________________________________ Nouveau : téléphonez moins cher avec Yahoo! Messenger ! Découvez les tarifs exceptionnels pour appeler la France et l'international. Téléchargez sur http://fr.messenger.yahoo.com