A.4 Interrogation for non supporting MSs

04.933GPPCompletion of Calls to Busy Subscriber (CCBS)Stage 3TS

MS A shall send a REGISTER message to the network, with the Facility information element, indicating ProcessUnstructuredSS‑Request. Different MMI is required (as specified in GSM 02.30) for the two different interrogation operations, although each interrogation operation uses the USSD mechanism to transport the information to the network.

MS A NETWORK
REGISTER
——————————————————————————————————————————–>
Facility (Invoke = ProcessUnstructuredSS-Request (ussd-DataCodingScheme, ussd-String))

RELEASE COMPLETE
<——————————————————————————————————————————–
Facility (Return result = ProcessUnstructuredSS-Request (ussd-DataCodingScheme, ussd-String))

RELEASE COMPLETE
<- – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
Facility (Return Error (Error))

RELEASE COMPLETE
<- – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
Facility (Reject (Invoke_Problem))

Figure A.4: Interrogation of all CCBS requests or a single CCBS request for Non supporting MSs

Annex B (informative):
Status of Technical Specification GSM 04.93

Status
of
Technical Specification GSM 04.93: stage 3 of CCBS

Date

Version

Comments

No Phase 1 version

September 1997

version 1.0.0

to SMG#23 for information

March 1998

version 2.0.0

to SMG#25 for approval

March 1998

version 6.0.0

TS approved by SMG#25 for Release 97

June 1998

version 6.1.0

CR 04.93-A001 (cat F -CCBS) approved SMG#26
specification published as TS 101 284

February 1999

version 6.1.1

CR 04.93-A002r2 (R97) (cat D -CCBS) approved SMG#28

July 1998

version 7.00

Upgrade to Release 1998

Text and figures: WinWord 6.0
Stylesheet: etsiw_70.dot
Rapporteur: Pekka Hämäläinen