GSM 09.02 - Version 5.3.0 - Digital cellular telecommunications - ETSI

Page 92
GSM 09.02 version 5.3.0: August 1996
Provider error
See subclause 5.6.1 for the use of this parameter.
6.6 Security management services
6.6.1 MAP_SET_CIPHERING_MODE service
6.6.1.1 Definitions
This service is used between the VLR and the MSC to set the ciphering mode and to start ciphering if
applicable. It is called when another service requires that information is to be sent on the radio path in
encrypted form.
The service is a non-confirmed service and consists of two service primitives.
6.6.1.2 Service primitives
The service primitives are shown in table 6.6/1
6.6.1.3 Parameter use
Invoke id
Parameter name Request Indication
Invoke id M M(=)
Ciphering mode M M(=)
Kc C C(=)
Table 6.6/1: MAP_SET_CIPHERING_MODE parameters
See subclause 5.6.1 for the use of this parameter.
Ciphering mode
See subclause 5.6.7 for the use of this parameter.
Kc
The Kc parameter should be included when the ciphering mode parameter indicates that ciphering must be
performed.
6.7 International mobile equipment identities management services
6.7.1 MAP_CHECK_IMEI service
6.7.1.1 Definition
This service is used between the VLR and the MSC and between the MSC and the EIR to request check
of IMEI. If the IMEI is not available in the MSC, it is requested from the MS and transferred to the EIR in
the service request.
The service is a confirmed service and consists of four service primitives.