ATIS 1000643 : 1998
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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) - EXPLICIT CALL TRANSFER SUPPLEMENTARY SERVICE
05-16-2022
01-01-2013
Specifies supplementary services within the context of an Integrated Services Digital Network (ISDN). The purpose of the standard is to allow maximum compatibility among network- and user-owned telecommunications equipment in order to increase the attractiveness and usefulness of ISDN-based capabilities.
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