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Normas BSI – AENOR
PD 6654:2001

PD 6654:2001

PNO-ISC/SER/004 Call forwarding on subscriber not reachable. Supplementary service

Fecha Anulación:
2002-11-01 /Withdrawn
Comité:
TCT/001
Keywords:
Telephone networks, Telecommunication systems, Communication technology, Calling equipment (telephones), Telephony, Public switched telephone network, Communication networks, Telecommunication, Communication equipment, Mobile communication systems
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