Hivatkozási szám

MSZ EN 300 392-12-13:2012

Dokumentumazonosító

153945

Cím

Földi, nyalábolt rádió (TETRA). Beszéd és adat (V+D). 12. rész: Többletszolgáltatások, 3. fokozat. 13. alrész: Hívás végigvitele foglalt előfizető esetén (CCBS)

Angol cím

Terrestrial Trunked Radio (TETRA). Voice plus Data (V+D). Part 12: Supplementary services stage 3. Sub-part 13: Call Completion to Busy Subscriber (CCBS)

Alkalmazási terület

The present document specifies the stage 3 description of the Supplementary Service CCBS Call Completion on Busy Subscriber for the Terrestrial Trunked Radio (TETRA). Call Completion on Busy Subscriber allows a calling User A MS, encountering a busy destination user B, to have the call completed when user B becomes non busy, without having to make a new call attempt. Man-Machine Interface and charging principles are outside the scope of the present document. The supplementary service stage 3 description is preceded by the stage 1 and the stage 2 description of the service, according to the method described in ITU-T Recommendation I.130 [i.1]. The stage 1 description specifies the service from the user's point of view. The stage 2 description identifies the functional capabilities of each SS and the information flows needed to support the supplementary service as specified in its stage 1 description. The present stage 3 description specifies the protocols at the air interface and at the various Inter-System Interfaces (ISI) to support each Supplementary Service. NOTE: According to ITU-T Recommendation I.130 [i.1], the stage 3 description of any telecommunication service addresses the network implementation aspects. Consequently it comprises two steps: the specifications of all protocols at the various reference points involved in any of the service procedures (notably the service operation) are the first step of the stage 3 description, and the specifications of the functions of the corresponding network entities are its second step. The latter have not been provided since they can be derived from the specification of the functional entity actions in the stage 2 description. The present document is applicable to Voice plus Data individual call or group call; the present document is neither applicable to Packet Mode of Operation nor to DMO; more specifically to the following entities: • the MS of either the calling user or the connected user during an individual call or a group call; • the originating Switching and Management Infrastructure (SwMI) in an individual call or a group call; • the group controlling SwMI for a group call; • the terminating SwMI in an individual call; • the inter-working SwMI for an individual call.

ICS

33.070.10 Földfelszíni, nyalábolt rádió (TETRA)

Műszaki Bizottság

A szabvány nyelve

angol

Az érvényesség kezdete

2012-07-01

Forrás

idt EN 300 392-12-13:2012-03

Előd

Utód

Módosítás

Kiegészítő információk

SZK-közlemények

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