Patent ID: 6920499
Filing Date: 2005-07-19
Classification: H04L,H04M,H04W

Abstract:
1. A method of allocating resources for user traffic passing between a mobile terminal and a remote user during a call session in a third generation telecommunication network, the method comprising at a support node or mobile terminal: receiving a first Resource reSerVation Protocol (RSVP) message for the call session, said RSVP message being unidirectional; responding by both setting a flag in Packet Data Protocol (PDP) Context data for the call session, the flag indicating the first RSVP message was received, and sending on said first RSVP message in a first direction; receiving back an RSVP reply message in the opposite direction to the first direction, said RSVP reply message being a second or subsequent RSVP message for the call session; and discarding said RSVP reply message as said flag has been set in the PDP Context data.