No products
Shipping $0.00 Total $0.00
Cart Check out
-- price: lowest first price: highest first name: A to Z name: Z to A in-stock first sort by
ITU-T I.241.7 Teleservices supported by an ISDN : Telephony 7 kHz teleservice
ITU-T I.310 ISDN - Network functional principles
ITU-T I.325 Reference configurations for ISDN connection types
ITU-T I.327 B-ISDN functional architecture
ITU-T I.350 General aspects of quality of service and network performance in digital networks, including ISDNs
ITU-T I.352 Network performance objectives for connection processing delays in an ISDN
ITU-T I.372 Frame relaying bearer service network-to-network interface requirements
ITU-T I.373 Network capabilities to support universal personal telecommunication (UPT)
ITU-T I.413 B-ISDN user-network interface
ITU-T I.501 Service interworking
items: 10 20 50