2011/7/5 I?aki Baz Castillo <ibc at aliax.net>: > But PJSIP fails on this and just connects to the proxy using TLS if > the Record-Route contains a ";transport=tls" URI param. The fact is that if PJSIP sent the INVITE using TLS and receives the 200 with a Record-Route "<sips:IP_PROXY:PORT>" or "<sips:IP_PROXY:PORT;transport=tcp>", then PJSIP does not send an ACK, neither under TCP so the dialog gets broken due to this bug in PJSIP. Regards. -- I?aki Baz Castillo <ibc at aliax.net>