Content for TS 23.079 Word version: 18.0.0
9.6 Functional behaviour of VLRB
9.6.1 Functional behaviour of VLRB for provision of subscriber information
9.6.2 Functional behaviour of VLRB for roaming number allocation
9.6.3 Functional behaviour of VLRB when handling an incoming call
9.7 Functional behaviour of VMSCB
9.7.1 Procedure Handle_ORLCF_VMSC
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9.6 Functional behaviour of VLRB p. 33
9.6.1 Functional behaviour of VLRB for provision of subscriber information p. 33
The functional behaviour of VLRB for provision of subscriber information is specified in TS 23.018.
9.6.2 Functional behaviour of VLRB for roaming number allocation p. 33
The functional behaviour of VLRB for roaming number allocation is specified in TS 23.018. The only function specific to Support of Optimal Routeing is the storage of the OR indicator, the 'OR not supported in GMSC' indicator, the GMSC address and the call reference number if VLRB receives them in the Provide Roaming Number request.
9.6.3 Functional behaviour of VLRB when handling an incoming call p. 33
The functional behaviour of VLRB when handling a request for information to handle an incoming call is specified in TS 23.018. The only functions specific to Support of Optimal Routeing are:
- the inclusion in the Complete Call or Process Call Waiting, if the call is to be offered to the B subscriber, of the OR indicator and the GMSC address if VLRB received them in the Provide Roaming Number request;
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the inclusion in the Send Info For Incoming Call response, if the call is to be forwarded, of:
- the OR indicator, the 'OR not supported in GMSC' indicator, the GMSC address and the call reference number if VLRB received them in the Provide Roaming Number request;
- the basic service which applies for this call.
9.7 Functional behaviour of VMSCB p. 33
The functional behaviour of VMSCB when it handles an incoming call is described in TS 23.018. The procedure specific to Support of Optimal Routeing is specified in this clause.
9.7.1 Procedure Handle_ORLCF_VMSC p. 33
The procedure UUS_ICH_Handle_LCF is specific to UUS; it is specified in TS 23.087.
