Information technology. Telecommunications and information exchange between systems. Private integrated services network. Inter-exchange signalling protocol. Call interception additional network feature
€316.00
Information technology. Telecommunications and information exchange between systems. Private integrated services network. Specification, functional model and information flows. Transit counter additional network feature
€193.00
Information technology. Telecommunications and information exchange between systems. Private integrated services network. Specification, functional model and information flows. Advice of charge supplementary services
€374.00
Information technology. Telecommunications and information exchange between systems. Private integrated services network. Inter-exchange signalling protocol. Advice of charge supplementary services
€355.00
Information technology. Telecommunications and information exchange between systems. Private integrated services network. Specification, functional model and information flows. Recall supplementary service
€165.00
Information technology. Telecommunications and information exchange between systems. Private integrated services network. Inter-exchange signalling protocol. Transit counter additional network feature
Public Switched Telephone Network (PSTN) - Subscriber line protocol over the local loop for display (and related) services - Part 1: On hook data transmission; English version ETS 300659-1:1997
€84.58
Composants électroniques - Câbles de raccordement et d'installation intérieure d'abonnés utilisables en régime numérique jusqu'à 2 Mbit/s
€77.67
Composants électroniques - Câbles à circuits symétriques de la série 120, à 32, 64 et 128 paires, destinés aux systèmes de câblage des installations intérieures et de transmission de données - (Complété par le CORRIGENDUM DE JANVIER 1998)
€95.67
Câbles téléphoniques avec isolant et gaine PVC
€70.50
Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Inter-exchange signalling protocol - Message waiting indication supplementary service
€74.00
Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Specification, functional model and information flows - Message waiting indication supplementary service
MATERIALS USED IN COMMUNICATION CABLES. PART 3: PE INSULATION.
€32.00
INFORMATION TECHNOLOGY. GENERIC CABLING SYSTEMS.
€133.00
Essential requirements for a handset telephony facility provided by terminal equipment intended for direct connection to an analogue interface of the public switched telephone network
