标题: ETSI EG 202 057-2 V1.2.1 (2005-10) [打印本页] 作者: t7345s 时间: 2015-2-15 22:41:14 标题: ETSI EG 202 057-2 V1.2.1 (2005-10)
ETSI EG 202 057-2 V1.2.1 (2005-10)
ETSI Guide
Speech Processing, Transmission and Quality Aspects (STQ);
User related QoS parameter definitions and measurements;
Part 2: Voice telephony, Group 3 fax,
modem data services and SMS