Foreword

04.913GPPExplicit Call Transfer (ECT) supplementary serviceStage 3TS

This European Telecommunication Standard (ETS) has been produced by the Special Mobile Group (SMG) Technical Committee (TC) of the European Telecommunications Standards Institute (ETSI).

This ETS specifies the procedures used at the radio interface for normal operation, registration, erasure, activation, deactivation, invocation and interrogation of call transfer supplementary services within the digital cellular telecommunications system.

The specification from which this ETS has been derived was originally based on CEPT documentation, hence the presentation of this ETS may not be entirely in accordance with the ETSI/PNE rules.

Proposed transposition dates

Date of latest announcement of this ETS (doa):

3 months after ETSI publication

Date of latest publication of new National Standard
or endorsement of this ETS (dop/e):

6 months after doa

Date of withdrawal of any conflicting National Standard (dow):

6 months after doa

Blank page