Hi all, I have a problem where I try to modified the PJProject 1.0.1 pjsua for support for IPV6 register. However, whenever the Client that use sip id of "sip:ims@[2001:db8:121:1:3]" register to SER 0.9.6, it will straight away unregister with the error that: 11:52:26.376 pjsua_acc.c Unregistration sent 11:52:26.376 sip_reg.c Invalid Contact URI: "<sip:ims at 2001:DB8:121:0:0:0:0:3:6060;transport=UDP>" 11:52:26.376 pjsua_acc.c Client registration initialization error: Invalid URI (PJSIP_EINVALIDURI) [status=171039] 11:52:26.376 pjsua_acc.c Unable to create registration: Invalid URI (PJSIP_EINVALIDURI) [status=171039] 11:52:26.376 pjsua_core.c RX 630 bytes Response msg 200/REGISTER/cseq=60649 (rdata0x81d8824) from UDP 2001:db8:121::3:5060 I'm urgently need solve this problem but seem nobody reply for my question. Hope anyone can help me. Thanks in advance. Regards, ws -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20090401/4e7b09c9/attachment.html>