ETSI GSM 02.93 : 050500
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) - COMPLETION OF CALLS TO BUSY SUBSCRIBER (CCBS) - SERVICE DESCRIPTION - STAGE 1 (GSM 02.93 VERSION 5.5.0)
Hardcopy , PDF
07-23-2013
English
Defines stage 1 description of Completion of Calls to Busy Subscriber (CCBS) from the subscriber's and user's points of view. in particular: the procedures for normal operation with successful outcome; the action to be taken in exceptional circumstances; the interaction with other GSM supplementary services. It does not deal with the Man-Machine Interface (MMI) requirements, but makes reference to the appropriate GSM specifications. It does not cover the charging principles applied to CCBS. Includes the interaction between CCBS and CAMEL Phase2.
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.