ISO/IEC 15050:1997

Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Inter-exchange signalling protocol - Advice of charge supplementary services

OEN:

IEC

Langue:

English

Code(s) de l'ICS:

33.040.35

Statut:

Révisé

Date de Publication:

1997-05-14

Numéro Standard:

ISO/IEC 15050:1997