7 Interaction with GSM services and features

02.693GPPRelease 1999Stage 1TSVoice Broadcast Service (VBS)

7.1 Calling Line Identification Presentation (CLIP)

If CLIP is applied, the group call reference – including the group call area ID and the group ID – shall be presented to the destination dispatchers. In addition the subaddress field of the calling party may be used to identify the calling service subscriber or calling dispatcher to the destination dispatchers.

The receiving mobile stations of the destination subscribers shall display the paged group ID regardless the destination subscribers have a subscription to CLIP.

7.2 Calling Line Identification Restriction (CLIR)

CLIR shall be supported.

The network shall have the possibility to override CLIR or reject the request to establish a voice broadcast call for a calling service subscriber or calling dispatcher who has CLIR actived.

7.3 Connected Line Identification Presentation (COLP)

If COLP is applied, the broadcast call reference – including the group call area ID and the group ID – shall be presented to the calling service subscriber or calling dispatcher. No destination subscriber identities will be presented.

7.4 Connected Line Identification Restriction (COLR)

COLR shall be supported. The network shall have the possibility to override COLR in case of voice broadcast calls.

7.5 Call Forwarding Unconditional (CFU)

CFU is not applicable to voice broadcast calls of service subscribers when activate and operative, i.e. CFU shall be ignored.

CFU is applicable for dispatchers, i.e. voice broadcast calls are forwarded by CFU.

7.6 Call Forwarding on mobile subscriber Busy (CFB)

CFB is not applicable to voice broadcast calls of service subscribers with CFB active and operative.

CFB is applicable for dispatchers if the voice broadcast call does not have a higher priority than the present call.

7.7 Call Forwarding on No Reply (CFNRy)

CFNRy is not applicable to voice broadcast calls of service subscribers with CFNRy active and operative.

CFNRy is applicable for dispatchers, i.e. voice broadcast calls are forwarded by CFNRy.

7.8 Call Forwarding on mobile subscriber Not Reachable (CFNRc)

CFNRc is not applicable to voice broadcast calls of service subscribers with CFNRc active and operative.

CFNRc is applicable for dispatchers, i.e. voice broadcast calls are forwarded by CFNRc.

7.9 Call Waiting (CW)

CW is not applicable for service subscriber. Instead, as a network option, a notification of paging for other calls shall be given to the service subscribers involved in the voice broadcast call.

CW is applicable for dispatchers.

7.10 Call Hold (HOLD)

Call hold is not applicable for service subscribers. For handling of parallel voice broadcast calls to the same destination subscriber see item i) of clause 4.

A calling service subscriber cannot leave the voice broadcast call without releasing the call.

The acceptance of a voice broadcast call by a service subscriber while being in a point-to-point call shall release the point-to-point call. The release will be invoked by the mobile station.

If a voice broadcast call is requested by a service subscriber while being in a point-to-point call, the point‑to‑point call shall be released. The release will be invoked by the mobile station.

Call hold is applicable for dispatchers.

7.11 Multi-party Service (MPTY)

MPTY is not applicable for service subscribers.

MPTY is applicable for dispatchers.

7.12 Closed User Group (CUG)

CUG is not applicable. Being a member of a CUG has no impact on receiving voice broadcast calls.

7.13 Advice of Charge (AoC)

AoC can be provided to the calling subscriber as network option.

7.14 Barring of All Outgoing Calls (BAOC)

BAOC is applicable, if subscribed to, with the possible exception of high priority voice broadcast calls.

7.15 Barring of Outgoing International Calls (BOIC)

BOIC is not applicable for voice broadcast calls of service subscribers.

BOIC is applicable for dispatchers.

7.16 Barring of Outgoing International Calls except those directed to the Home PLMN country (BOIC-exHC)

BOIC-exHC is not applicable for voice broadcast calls of service subscriber.

BOIC-exHC is applicable for dispatchers.

7.17 Barring of All Incoming Calls (BAIC)

BAIC is not applicable for voice broadcast calls to service subscribers.

BAIC is applicable for dispatchers.

7.18 Barring of Incoming Calls when Roaming outside the home PLMN country (BIC-Roam)

BIC-Roam is not applicable for voice broadcast calls to service subscribers.

BIC-Roam is applicable for dispatchers.

7.19 Explicit Call Transfer (ECT)

ECT is not applicable for service subscribers.

ECT is applicable for dispatchers.

7.20 enhanced Multi-Level Precedence and Pre-emption service (eMLPP)

Different priorities with corresponding set-up procedures are applicable as defined in the stage 1 description on eMLPP in GSM 02.67.

7.21 Short Message Service (SMS)

Sending and reception of short messages is not possible for destination service subscribers.

7.22 Operator Determined Barring (ODB)

Same as for subscriber controlled barring.

7.23 Completion of Calls to Busy Subscribers (CCBS)

The CCBS supplementary service is only applicable for dispatchers and not for VBS service subscribers.

If a new terminating p-t-p call is set up to a dispatcher who is busy because of an active VBS call, it shall be possible to allow the calling party to apply the CCBS service. If the dispatcher initiates a VBS call and the called broadcast ID has been active, then the dispatcher shall be connected to the ongoing VBS call..