Tandem-free intersystem voice communication

Details Tandem-free intersystem voice communication Tandem-free intersystem voice communication

2008-07-29

2008-07-29

Anderson, Matthew (Department: 2618)

Multiplex communications

Communication techniques for information carried in plural...

Adaptive

C370S474000, C370S528000, C370S335000, C370S342000, C370S352000, C455S701000, C455S517000, C704S214000, C704S215000, C704S233000, C704S275000

Reexamination Certificate

active

07406096

ABSTRACT:
Techniques are presented herein to provide tandem-free operation between two wireless terminals through two otherwise incompatible wireless networks. Specifically, embodiments provide tandem-free operation between a wireless terminal communicating through a continuous transmission (CTX) wireless channel to a wireless terminal communicating through a discontinuous transmission (DTX) wireless channel. In a first aspect, inactive speech frames are translated between DTX and CTX formats. In a second aspect, each wireless terminal includes an active speech decoder that is compatible with the active speech encoder on the opposite end of the mobile-to-mobile connection.

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