Universal Mobile Telecommunications System (UMTS); LTE; Speech and video telephony terminal acoustic test specification (V10.4.0; 3GPP TS 26.132 version 10.4.0 Release 10)
The present document is applicable to any terminal capable of supporting narrowband or wideband telephony@ either as a stand-alone service or as the telephony component of a multimedia service. The present document specifies test methods to allow the minimum performance requirements for the acoustic characteristics of GSM and 3G terminals when used to provide narrowband or wideband telephony to be assessed.