ETSI TS 102 250-6 V1.2.1 (2004-10) Technical Specification Speech Processing, Transmission and Quality Aspects (STQ); QoS aspects for popular services in GSM and 3G networks;…
ETSI TS 102 250-2 V2.2.1 (2011-04) Technical Specification Speech and multimedia Transmission Quality (STQ); QoS aspects for popular services in mobile networks; Part 2:…