t7345s 发表于 2015-1-29 22:23:55

ETSI EG 201 769-1 V1.1.1 (2000-04)

ETSI EG 201 769-1 V1.1.1 (2000-04)
ETSI Guide
Speech Processing, Transmission & Quality Aspects (STQ);
QoS parameter definitions and measurements;
Part 1: Parameters for voice telephony service required
under the ONP Voice Telephony Directive 98/10/EC


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admin 发表于 2015-1-30 11:45:15

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