Scalable voice over IP system configured for dynamically...

Details Scalable voice over IP system configured for dynamically... Scalable voice over IP system configured for dynamically...

2005-12-20

2005-12-20

Maung, Zarni (Department: 2151)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S338000, C370S467000, C379S202010

Reexamination Certificate

active

06977911

ABSTRACT:
An IP telephony gateway and a media server are configured for changing media streams during an existing call according to the voice over IP (H.323) protocol, where a first H.245 media channel configured for transmitting a first media stream at a corresponding first compression such as G.723 or G.729A is closed and a second H.245 media channel configured for transmitting a second media stream at a corresponding second compression such as G.711 is opened during the same H.225 call.

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