GSM 09.02 - Version 5.3.0 - Digital cellular telecommunications - ETSI

6.2 Paging and search
6.2.1 MAP_PAGE service
6.2.1.1 Definition
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GSM 09.02 version 5.3.0: August 1996
This service is used between VLR and MSC to initiate paging of an MS for mobile terminated call set-up,
mobile terminated short message or unstructured SS notification.
The MAP_PAGE service is a confirmed service using the primitives from table 6.2/1.
6.2.1.2 Service primitives
Parameter name Request Indication Response Confirm
Invoke Id M M(=) M(=) M(=)
IMSI M M(=)
Stored location area Id M M(=)
TMSI U C(=)
User error C C(=)
Provider error O
6.2.1.3 Parameter definitions and use
Invoke Id
See definition in subclause 5.6.1.
IMSI
Table 6.2/1: MAP_PAGE
See definition in subclause 5.6.2. The IMSI is used to define the paging subgroup. If the TMSI is not
supplied, paging on the radio path uses the IMSI as an identifier.
Stored location area Id
See definition in subclause 5.6.2.
TMSI
See definition in subclause 5.6.2. The TMSI is included if paging on the radio channel is to use the TMSI as
an identifier.
User error
The following error causes defined in subclause 5.6.1 may be sent by the user in case of a paging error,
depending on the failure reason:
- absent subscriber;
- unknown location area;
- busy subscriber;
- system failure;
This corresponds to the case where there is no call associated with the MAP_PAGE service, i.e. if
the call has been released but the dialogue to the VLR has not been aborted.
- unexpected data value.
Provider error
See definition in subclause 5.6.1.