Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2005-03-08
2005-03-08
Hudspeth, David (Department: 2681)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S560000, C370S352000, C370S355000, C370S356000, C704S221000
Reexamination Certificate
active
06865391
ABSTRACT:
A system and method are provided for using electronic serial numbers (ESNS) to determine whether to perform vocoder bypass. In an exemplary embodiment, a terminal device may share a common mobile identification number (MIN) with other terminal devices. The terminal device may answer a page and provide its ESN to an intermediate entity. The intermediate entity may query a database to determine whether the answering terminal device is a mobile station. The intermediate entity may perform vocoding if the answering terminal device is a non-mobile station, or vocoder bypass if the answering terminal device is a mobile station.
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Anderson Leo Ray
Narayanabhatla Shiva
Oh Dae-Sik
Ryu Deuk-Ho
Hudspeth David
Smith S.
Sprint Spectrum L.P.
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