Patent ID: 7688745
Filing Date: 2010-03-30
Classification: H04L,H04W

Abstract:
1. A method, comprising: configuring a second apparatus to be connectable to a first apparatus via at least one packet-based networks, at least one of the first and second apparatus providing two or more selectable codecs for communicating towards another apparatus of the first apparatus and the second apparatus; using, by the second apparatus, a codec selected for bidirectional communication between the second apparatus and the first apparatus; receiving, by the second apparatus, information on one or more codecs supported by the first apparatus from a third apparatus; comparing, by the second apparatus, the codecs supported by the first apparatus and codecs supported by the second apparatus; selecting, by the second apparatus, only those codecs which are supported by both the first and the second apparatus; and returning, by the second apparatus, a list of the codecs supported by both the first and the second apparatus to the third apparatus for performing a codec selection procedure for selecting a same codec for the bidirectional communication between the second apparatus and the first apparatus based on the list.