PREN 301 133 : 1.1.1
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
INTEGRATED SERVICES DIGITAL NETWORK (ISDN); SELECTIVE CALL FORWARDING (SCF) SUPPLEMENTARY SERVICES (UNCONDITIONAL, BUSY AND NO REPLY); SERVICE DESCRIPTION
23-07-2013
12-01-2013
Stage 1 description of the supplementary service: Selective call forwarding services (Unconditional, busy and no reply).
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