Tunnelling wireless voice with software-defined vocoders

Details Tunnelling wireless voice with software-defined vocoders Tunnelling wireless voice with software-defined vocoders

2007-12-11

2007-12-11

Pham, Chi (Department: 2616)

Multiplex communications

Diagnostic testing

Determination of communication parameters

C370S401000, C370S464000, C370S465000

Reexamination Certificate

active

09733480

ABSTRACT:
Vocoding conversions are reduced by dynamically loading a software-defined vocoder into a handset. The software-defined vocoder may be selected based on the calling party's network type, wherein a notification of network type is transmitted to the called party's network during call setup. The software-defined vocoders may be stored in the network and downloaded into the handset; alternatively, the software-defined vocoders may be stored in the handset. Voice data is tunneled from the calling party's handset and the calling party's network, through any number of different networks, to the called party's network and called party's handset, without any vocoding conversions, except at the handsets.

REFERENCES:
patent: 6002999 (1999-12-01), Han et al.
patent: 6181734 (2001-01-01), Palermo
patent: 6493325 (2002-12-01), Hjalmtysson et al.
patent: 6577637 (2003-06-01), Sieppi
patent: 6580906 (2003-06-01), Bilgic et al.
patent: 6587684 (2003-07-01), Hsu et al.

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