ProvideSubscriberInfo

Usage

This message is used by a HLR to interrogate the VLR about the current state of a subscriber that is currently registered to that VLR.

Invoke parameters

• imsi – Identity of the SIM of the subscriber

• lmsi – Local subscriber identification is the VLR assigned one

• requestedInfo – What information is requested
  • locationInformation – If present location information is requested
  • subscriberState – If present the subscriver state is requested
  • extensionContainer – Container for various extension
• extensionContainer – Container for various extensions

Result parameters

• subscriberInfo – Returned subscriber information
  • locationInformation – Information about subscriber's location
    • ageOfLocationInformation – How much passed since the last update in minutes
    • geographicalInformation – ??
    • vlr-Number – VLR identification string / number
    • locationNumber – Hex number identifying a location
    • cellIdOrLAI - A choice of:
      • cellIdFixedLength - Digits identifying a Cell ID, or
      • laiFixedLength - Digits identifying a Location Area, starts with MCC MNC
  • subscriberState – State of the subscriber, exactly one of:
    • assumedIdle – If present assume subscriber is idle
    • camelBusy – If present assume subscriber is busy (talking)
    • notProvidedFromVLR – If present assume subscriber state is unknown
    • netDetNotReachable – Subscriber unreachable, value can be: "msPurged", "imsiDetached", "restrictedArea", "notRegistered"
  • extensionContainer – Container for various extensions
• extensionContainer – Container for various extensions

Example

Sending a ProvideSubscriberInfo operation

<application>subscriberInfoEnquiryContext-v3</application>
<component localCID="1" type="Invoke" operationCode="provideSubscriberInfo">
        <imsi>890509840200</imsi>
        <lmsi>01 23 45 67</lmsi>
        <requestedInfo>
                <locationInformation/>
                <subscriberState/>
        </requestedInfo>
</component> 

The received response will look like this:

<component localCID=1" type="ResultLast" operationCode="provideSubscriberInfo">
	<subscriberInfo>
		<locationInformation>
			<ageOfLocationInformation>14</ageOfLocationInformation>
			<vlr-Number>89050900123</vlr-Number>
			<cellIdOrLAI>
				<laiFixedLength>22610451</laiFixedLength>
			</cellIdOrLAI>
		</locationInformation>
		<subscriberState>
		      <assumedIdle/>
		</subscriberState>
	</subscriberInfo>
</component>

Receiving a ProvideSubscriberInfo operation

<component remoteCID=1" type="Invoke" operationCode="provideSubscriberInfo">
        <imsi>497012345678900</imsi>
        <requestedInfo>

<locationInformation/> <subscriberState/> </requestedInfo>

</component>
... 

The response that is sent should look like this:

<component remoteCID=1" type="ResultLast" operationCode="provideSubscriberInfo">
	<subscriberInfo>
		<locationInformation>
			<ageOfLocationInformation>14</ageOfLocationInformation>
			<vlr-Number>49700100123</vlr-Number>
		</locationInformation>
		<subscriberState>
			<assumedIdle/>
		</subscriberState>
	</subscriberInfo>
</component>

References

• ETSI TS 100 974 V7.15.0 (2004-03) p1086