HD Voice Annex F – Minimum Requirements with LTE – April 2014
This document holds ANNEX F to the GSMA HD Voice Logo Licence Agreement. Annex F: Minimum Requirements for Mobile Networks and Terminals for the usage of the ‘HD Voice’ logo with LTE. This Annex defines the minimum requirements for the usage of the ‘HD Voice’ logo for LTE network operators and device vendors. HD Voice (High Definition Voice) for mobile terminals and networks comprises of AMR-WB codec and the enhancements to terminals and networks according to the requirements defined in this document. AMR-WB is the Codec defined in 3GPP TS 26.171. Further information and technical details of AMR-WB are described in GSMA PRD IR36 “Adaptive Multirate Wide Band”.