06.213GPPHalf rate speechSubstitution and muting of lost frames for half rate speech traffic channelsTS
The definitions of terms used in the present document can be found in GSM 06.20 , GSM 06.41 , GSM 05.03 .
For the purposes of the present document, the following abbreviations apply:
BFI Bad Frame Indication
BSS Base Station System
DTX Discontinuous Transmission
GSM Global System for Mobile communications
LPC Linear Predictive Coding
MS Mobile Station
RSS Radio Sub System
SID SIlence Descriptor
UFI Unreliable Frame Indication
For abbreviations not given in this clause, see GSM 01.04 .