Iñaki Baz Castillo writes: > But the today official estandar is P-Asserted-Identity (PAI) header. > > - RPID draft: http://tools.ietf.org/html/draft-ietf-sip-privacy > - PAI RFC: http://tools.ietf.org/html/rfc3325 plus Privacy header, since pai alone cannot replace rpid. -- juha