ETSI - ES 202 739
Speech Processing, Transmission and Quality Aspects (STQ); Transmission requirements for wideband VoIP terminals from a QoS perspective as perceived by the user
|Publication Date:||1 July 2007|
The present document provides speech transmission performance requirements for 8 kHz wideband VoIP terminals; it addresses all types of IP based terminals, including wireless and soft phones.
The intention of the present document is to specify equipment requirements which enable manufacturers and service providers to enable good quality end-to-end speech performance.
The objective measurement methodologies and requirements given by the present document. are for handset and headset operation only. Hands-free terminals are outside the scope of the present document.
In addition to basic testing procedures, the present document describes advanced testing procedures taking into account further quality parameters as perceived by the user.