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GSM 09.02 - Version 5.3.0 - Digital cellular telecommunications - ETSI

GSM 09.02 - Version 5.3.0 - Digital cellular telecommunications - ETSI

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Page 124<br />

<strong>GSM</strong> <strong>09.02</strong> version <strong>5.3.0</strong>: August 1996<br />

9.2 MAP_ERASE_SS service<br />

9.2.1 Definition<br />

This service is used between the MSC and the VLR and between the VLR and the HLR to erase data<br />

related to a supplementary service. The VLR will relay the message to the HLR.<br />

The service is a confirmed service and consists of four service primitives.<br />

9.2.2 Service primitives<br />

The service primitives are shown in table 9.2/1.<br />

Parameter name Request Indication Response Confirm<br />

Invoke id M M(=) M(=) M(=)<br />

SS-Code M M(=)<br />

Basic service C C(=)<br />

Forwarding information C C(=)<br />

User error C C(=)<br />

Provider error O<br />

9.2.3 Parameter use<br />

Invoke id<br />

See subclause 5.6.1 for the use of this parameter.<br />

SS-Code<br />

Table 9.2/1: MAP_ERASE_SS parameters<br />

This parameter indicates the supplementary service which the mobile subscriber wants to erase.<br />

Basic service<br />

This parameter indicates for which basic service group the supplementary service should be erased. If it is<br />

not included, the erasure request applies to all basic services.<br />

Forwarding information<br />

This parameter is returned by the responder at successful outcome of the service, if the erasure request<br />

concerned one or a group of Call Forwarding supplementary services.

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