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TIA-895

Revision B, July 2011

Complete Document

CDMA Tandem Free Operation

Includes all amendments and changes through Change/Amendment , July 2011


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Referenced Items:

TIA/EIA-829
TIA/EIA-96
TIA/EIA/IS-2001
TIA/EIA/IS-733

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Description / Abstract:

This service description document details the Inband Signaling (IS) protocol between Transcoder/Rate Adapter Units (TRAUs) for speech traffic channels for the Tandem Free Operation (TFO) of speech codecs, sometimes also termed "Vocoder Bypass". It is applied to the cdma2000®1 standards.

Annex A 4 standards. is mandatory and defines the capability and requirements used in the development of this TFO 6 standard.

Annex B is mandatory and describes the general IS protocol, which is applicable to TFO specifications for all systems (e.g., TDMA, cdma2000, GSM and UMTS)

Annex C is informative and gives the rules for In Path Equipment (IPE). It is identical for all systems (e.g., TDMA, cdma2000, GSM and UMTS).

1 cdma2000® is the trademark for the technical nomenclature for certain specifications and standards of the Organizational Partners (OPs) of 3GPP2. Geographically (and as of the date of publication), cdma2000® is a registered trademark of the Telecommunications Industry Association (TIA-USA) in the United States.