Provide PDF Format
ETSI ETR 138
- Network Aspects (NA); Quality of service indicators for Open Network Provision (ONP) of voice telephony and Integrated Services Digital Network (ISDN)
- standard by European Telecommunications Standards Institute, 12/01/1997
- Publisher: ETSI
$15.00$29.50
Enhanced version of ETR138 to incorperate recent advances in the field of QoS study for ISDN and telephony
Related Products
ETSI GTS 02.30
European digital cellular telecommunications system (Phase 1); Man-machine Interface of the Mobile S..
$13.00 $25.50
ETSI ETS 300 374-2
Intelligent Network (IN); Intelligent Network Capability Set 1 (CS1); Core Intelligent Network Appli..
$26.00 $52.50
ETSI TR 101 290
Digital Video Broadcasting (DVB); Measurement guidelines for DVB systems..
$43.00 $85.50
ETSI EN 301 169-1
Equipment practice; Engineering requirements for outdoor enclosures; Part 1: Equipped enclosures..
$9.00 $17.50