Digital cellular telecommunications system (Phase 2+) (GSM); Substitution and muting of lost frames for Adaptive Multi Rate (AMR) speech traffic channels (GSM 06.91 version 7.1.1 Release 1998)
The present document defines a frame substitution and muting procedure which shall be used by the Receive (RX)
Discontinuous Transmission (DTX) handler when one or more lost speech or Silence Descriptor (SID) frames are
received from the Radio Sub System (RSS).
The requirements of the present document are mandatory for implementation in all GSM Base Station Systems (BSS)s
and Mobile Stations (MS)s capable of supporting the AMR speech traffic channel. It is not mandatory to follow the bit
exact implementation outlined in the present document and the corresponding C source code.
Life cycle
NOW
PUBLISHED SSH EN 301 705 V7.1.1:2000 60.60
Standard published Feb 9, 2017
Shqip