Defines frame substitution and muting procedures for handling lost/unreliable speech/SID frames in GSM half rate channels to conceal errors and mute output gracefully.
TS 46.021 (Rel-19) — GSM Half Rate DTX Frame Substitution & Muting. Defines frame substitution and muting procedures for handling lost/unreliable speech/SID frames in GSM half rate channels to conceal errors and mute output gracefully. Primary function: Procedures. Category: Radio Access (Speech Processing). Technology generation: 2G. Network layer: RAN.
Complexity level: Intermediate. Implementation difficulty: Medium.
3GPP TS 46.021 (Rel-19) is the 3GPP specification for GSM Half Rate DTX Frame Substitution & Muting. Defines frame substitution and muting procedures for handling lost/unreliable speech/SID frames in GSM half rate channels to conceal errors and mute output gracefully.
TS 46.021 is part of 3GPP Rel-19. The latest known version on 3GPP Explorer is j00.
Procedures.
TS 46.021 belongs to the Radio Access (Speech Processing) category of 3GPP specifications. It applies to 2G networks.
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