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

Product Details

Broadband Radio Access Networks (BRAN); HIPERLAN Type 2; Conformance testing for the Data Link Contr..

$15.00 $29.50

Fixed Radio Systems; Point-to-multipoint equipment; Point-to-multipoint digital radio systems in fre..

$11.00 $21.51

Digital cellular telecommunications system (Phase 2+) (GSM); Explicit Call Transfer (ECT) supplement..

$9.00 $17.50

Telecommunications security; Integrated Services Digital Network (ISDN); Encryption key management a..

$15.00 $29.50