Olivier Beytrison wrote: > Another question comes to my mind, as we need to develop a 3GPP > compliant IMS/SIP client, we will need the re-INVITE SIP message, as > defined in the RFC 3261, allowing Mobility at the application layer (SIP > Session). Is it implemented in pjsip ? I'm afraid I'm not familiar with IMS so I'm not sure what's missing, if any, in pjsip to support that. Maybe others can comment. cheers, -benny