Patent ID: 8503355
Filing Date: 2013-08-06
Classification: H04L,H04W

Abstract:
1. A method of managing a walkie-talkie (“push-to-talk”) mode session between a plurality of terminals having respective data coding and decoding capacities, the method comprising: connecting the plurality of terminals in the session via a walkie-talkie mode session management server and at least one telecommunications network; establishing a multimedia session between a first terminal and one or more other terminals of the plurality of terminals through message exchanges based on a signaling protocol; and during the established multimedia session: wherein said adapting comprises, at the server side: extracting, from the received multimedia data, payload data coded using the initial coding type; determining and selecting one coding type that is compatible with the capacities of the receiver terminal; and coding the payload data having the initial coding type into payload data that has the selected coding type, wherein the payload data is coded useful multimedia data of a data packet that is different from a header of the multimedia data packet.