The present document contains the service description for the in-band signalling protocol for the support of Tandem Free Operation of the Half Rate, Full Rate, Enhanced Full Rate, Adaptive Multi Rate...
The present document specifies the mapping of the AMR generic frame format (3GPP TS 26.101) to the Iu Interface (3GPP TS 25.415 [7]), the Uu Interface and the Nb Interface (3GPP TS 29.415). It...
The present document describes a generic frame format for the Adaptive Multi-Rate (AMR) speech codec and the Enhanced Full Rate (GSM-EFR) speech codec. This format shall be used as a common reference...
The present document introduces the set of default codecs for packet switched conversational multimedia applications within 3GPP IP Multimedia Subsystem. Visual and sound communication are...
The present document characterizes the performance of the eCall In-band Modem, which is used for reliable transmission of the eCall Minimum Set of Data (MSD) from an In-Vehicle System (IVS) to the...
When 64 kbit/s traffic channels are used on the Abis interface, the speech shall be coded according to CCITT Recommendation G.711 and the data rate adaptation shall be as specified in 3GPP TS 44.021...
A reference configuration of the transmission chain is shown in 3GPP TS 45.001. According to this reference configuration, the present document specifies the data blocks given to the encryption unit....
The present document provides speech transmission performance requirements for wireless terminals; it addresses several types of mobile wireless terminals, including softphones. The present document...
The present document provides speech transmission performance requirements for wireless terminals; it addresses several types of mobile wireless terminals, including softphones. The present document...
The present document provides speech transmission performance requirements for wireless terminals; it is limited to wearable terminals, including devices worn on the user's wrist. Headsets are out of...