Description
Feature name |
EmergencyAndSpecialNumber |
|---|---|
Applicable contexts |
SS7 service |
SAS Support |
No |
Prerequisite Features |
None |
The Emergency and Special Number Feature is used as a pre credit check feature early or first in the feature list, to allow the call to continue immediately with no further intervention from Sentinel.
The feature will continue the call with no further intervention in the following cases:
-
MOC: initialDP.calledPartyBCDNumber is an exact match with a number in the provisioned table
-
MTC/MFC: initialDP.calledPartyNumber is an exact match with a number in the provisioned table
-
Any: initialDP.ext-basicServiceCode == ext-Teleservice AND initialDP.ext-basicServiceCode.ext-Teleservice == EmergencyCalls(0x12).
Session State inputs and outputs
Inputs
| Name | Type | Format | Description | Behaviour if null/invalid |
|---|---|---|---|---|
SentinelSelectionKey |
com.opencloud.sentinel.common.SentinelSelectionKey |
selection key (for example, |
For selecting configuration data |
Report featureCannotStart, featureHasFinished |
InitialDPArg |
com.opencloud.slee.resources.cgin.cap_v1.CAP1InitialDPArg |
InitialDP which triggered this session |
Report featureCannotStart, featureHasFinished |
Outputs
| Name | Type | Format | Description |
|---|---|---|---|
CallType |
com.opencloud.sentinel.common.CallType |
One of: MobileOriginating, MobileTerminating, MobileForwarded, NetworkInitiated, EmergencyCall |
Call type will be overwritten as EmergencyCall if the call is to a special or emergency number, otherwise it will be left as is |
Error scenarios
| Scenario | Handling |
|---|---|
InitialDPArg is not CAP |
Report featureCannotStart |
Null sessionstate SentinelSelectionKey |
Report featureCannotStart |
Feature responses
| Response | Reason |
|---|---|
featureCannotStart |
Protocol is not CAP or SessionState SentinelSelectionKey is not set |
continueAndCloseDialog |
is a call to a special or emergency number |
featureHasFinished |
feature has finished |
Configuration
The feature maintains a table of emergency or special numbers (using AddressLists) which are compared to the Called Party Number.
Error handling
If there are any errors attempting to execute this feature, such as a configuration error, the feature will end handling and allow Sentinel to continue handling the call as if it was NOT an emergency call.
Configuration profile naming
| Configuration Profile Table Name | Description | Profile Naming |
|---|---|---|
${PLATFORMOPERATOR}_Sentinel_AddressListConfigurationTable |
Address list configuration |
${SELECTIONKEY}:EmergencyAndSpecialNumber:AddressList |
${PLATFORMOPERATOR}_Sentinel_AddressListEntryTable |
Feature specific Address List entry table |
${SELECTIONKEY}:EmergencyAndSpecialNumber:AddressList:${Address} |
Provisioning interfaces
The feature is provisioned using the Sentinel Features REST API or web interface.
