Universal Mobile Telecommunications System (UMTS); LTE; Speech and video telephony terminal acoustic test specification (V9.2.0; 3GPP TS 26.132 version 9.2.0 Release 9)
The present document is applicable to any terminal capable of supporting narrow-band 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 narrow-band or wideband telephony to be assessed.