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Reply To: MAP-Any Time Interrogation/ATI- in GSM

Wallis Dudhnath

ATI stands for AnyTimeInterrogation().

It is a part of the MAP protocol, e.g. MAP V3 / V4.

The message is used to query a HLR / HSS for customer location and status information. Having the Location and the status (e.g. IMSI attached, detached, etc..) of the customer a CAMEL application (gsmSCF) can decide on what actions can be taken.

For CAMEL you will need a minimum of CAP V2 and MAP V3.

VBR/ Wallis Dudhnath