Looks like rfc3329 & secure SIP is required if pjsip is to work on IMS networks? THis is because it is what is use to secure SIP in Gm interface .... -----Original Message----- From: pjsip-bounces@xxxxxxxxxxxxxxx [mailto:pjsip-bounces at lists.pjsip.org] On Behalf Of pjsip-request at lists.pjsip.org Sent: Wednesday, November 02, 2011 11:00 AM To: pjsip at lists.pjsip.org Subject: pjsip Digest, Vol 51, Issue 4 Send pjsip mailing list submissions to pjsip at lists.pjsip.org To subscribe or unsubscribe via the World Wide Web, visit http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org or, via email, send a message with subject or body 'help' to pjsip-request at lists.pjsip.org You can reach the person managing the list at pjsip-owner at lists.pjsip.org When replying, please edit your Subject line so it is more specific than "Re: Contents of pjsip digest..."