2009/4/27 Sergio Gutierrez <saguti at gmail.com>: > Hi Iñaki. > > thanks for your answer. > > A little doubt; 180 will not contain SDP or might not contain SDP? It could, but never contains. "180 Ringing" means "I'm ringing" so the receiver of the 180 generates a ring tone in local (in the phone). -- Iñaki Baz Castillo <ibc at aliax.net>