This feature determines Mobile Country Code (MCC), Mobile Network Code (MNC), and ISO Country Code values for the subscriber.

This data can then be included in Credit Control Requests (CCR)s by mappers and Call Detail Records (CDR)s by the AVP CDR feature.

This feature is an extension of the Sentinel SIP Extract Network Info feature. It implements the same behaviour as that feature for SIP message triggers, but also includes behaviour for dealing with TCAP message triggers.

Feature cheat sheet

Feature Script Name

IPSMGWExtractNetworkInfo

Call-Type

Orig or Term

Session Plan

default, MOFSM, SMMA, MTFSM_PS_CS, MTFSM_CS_PS, MTFSM_PS, MTFSM_DR, MTFSM_CS

Execution Points

Post_SipAccess_SubscriberCheck, Post_SubscriptionSubscriberCheck, Post_SipTransaction_SubscriberCheck, Post_SipThirdPartyAccess_SubscriberCheck

Network Operator Config

Yes

Subscriber Config

No

POJO or SBB

POJO

Feature FSMs

None

Feature Parameters

None

SAS Support

Yes

RA Entity Links

None

Prerequisite features

For SIP message triggers only:

Session State Inputs and Outputs

This feature uses all of the session state fields of its parent feature. For a list of these, see that features documentation.

In addition, it uses the following fields:

Inputs

Name Type Purpose

IMSI

String

The IMSI for the current subscriber.

Outputs

Name Type Description

ImsiMccMnc

com.opencloud.sentinel.common.MccMnc

The MCC and MNC that the feature extracts from the IMSI.

Statistics

IPSMGWExtractNetworkInfo statistics are tracked by the sentinel.ipsmgw SBB and can be found under the following parameter set in REM:
SLEE-Usage → sentinel.ipsmgw service → sentinel.ipsmgw SBB → feature → IPSMGWExtractNetworkInfo
or with rhino-stats:
"SLEE-Usage.Services.ServiceID[name=sentinel.ipsmgw,vendor=OpenCloud,version=4.1].SbbID[name=sentinel.ipsmgw,vendor=OpenCloud,version=4.1].feature.IPSMGWExtractNetworkInfo"

Name Type Description
Started

Counter

Incremented when the feature is triggered.

FailedToStart

Counter

Incremented when the feature fails to start.

FailedDuringExecution

Counter

Incremented when the feature fails while executing.

IssuedWarning

Counter

Incremented when the feature issues a warning.

TimedOut

Counter

Incremented when the feature times out during execution.

AccessNetworkMccMncFoundInTrigger

Counter

Incremented when access network MCCs and MNCs are found in the triggering message.

AccessNetworkMccMncFoundInRegistrationData

Counter

Incremented when access network MCCs and MNCs are found in registration data.

CellularNetworkMccMncFoundInTrigger

Counter

Incremented when access network MCCs and MNCs are determined from a Cellular-Network header on the triggering message.

UnableToDetermineAccessNetworkMccMnc

Counter

Incremented when access network MCCs and MNCs cannot be determined.

VisitedNetworkMccMncFoundInRegistrationData

Counter

Incremented when the visited network MCC and MNC are found in registration data.

VisitedNetworkMccMncFoundInTrigger

Counter

Incremented when the visited network MCC and MNC are found in trigger.

UnableToDetermineVisitedNetworkMccMnc

Counter

Incremented when the visited network MCC and MNC cannot be determined.

IsoCountryCodeFoundFromHeader

Counter

Incremented when an ISO country code is extracted directly from an access network info header.

IsoCountryCodeFoundFromMccMnc

Counter

Incremented when an ISO country code is determined from an MCC and MNC value.

IsoCountryCodeFoundFromHomeNetworkConfig

Counter

Incremented when an ISO country code is determined from home network configuration in Sentinel.

UnableToDetermineAccessNetworkIsoCountryCode

Counter

Incremented when an ISO country code cannot be determined.

IgnoringTrigger

Counter

Incremented when trigger is not a TCAP message or SIP request.

TcapTrigger

Counter

Incremented when the feature is triggered on a TCAP message.

SipRequestTrigger

Counter

Incremented when the feature is triggered on a SIP request.

ImsiMccMncFound

Counter

Incremented when MCC and MNC is found in IMSI.

UnableToDetermineImsiMccMnc

Counter

Incremented when an MCC and MNC for the IMSI cannot be determined.

Configuration

This feature uses the same configuration profiles as the Extract Network Info feature. See:

Behaviour

SIP Request Triggers

When triggered by a SIP request, this feature will execute its parent feature’s behaviour as described here: Extract Network Info - Behaviour

TCAP Message Triggers

The IPSMGWExtractNetworkInfo feature extracts MCCs and MNCs from:

  • The access and visited network info headers found in registration records. This requires the Registration Lookup From Cassandra feature to run before this feature.

  • The IMSI. This requires the Fetch IMSI feature to run before this feature.

The resulting information is recorded in session state for use by the AVP CDR Feature feature when writing a CDR, as well as the charging features when forming charging requests.

The following OpenCloud extension AVPs are used to communicate MCC and MNC information in CCRs and CDRs:

  • OC-ACCESS-NETWORK-MCC-MNC

  • OC-VISITED-NETWORK-MCC-MNC

  • OC-IMSI-NETWORK-MCC-MNC

  • 3GPP-IMSI-NETWORK-MCC-MNC

For Sentinel AVP definitions, please refer to Sentinel AVP Definitions in the Sentinel Administration guide.

Other Triggers

For all other triggers, the feature will do nothing.

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Sentinel IP-SM-GW Version 4.1