When a mobile user dials a special emergency number , for example, the fire emergency number , police number , ambulance number , or the traffic accident number , the call is routed to the nearest corresponding emergency service center , according to the location of the base station (BS) to which the user belongs.  Alarms can be generated for this type of calls, and whether a user is charged can be set. This feature complies with the 3GPP22.003 "Circuit Teleservices supported by a Public Land Mobile Network (PLMN)."

Benefits for carriers: 

This feature provides emergency call for special services.

Benefit for users: 

Users can use emergency call for special services.

Description: When a mobile user dials a special emergency number , for example, the fire emergency number , police number , ambulance number , or the traffic accident number , the call is routed to the nearest corresponding emergency service center , according to the location of the base station (BS) to which the user belongs.  Alarms can be generated for this type of calls, and whether a user is charged can be set. This feature complies with the3GPP22.003 "Circuit Teleservices supported by a Public Land Mobile Network (PLMN)."

Enhancement: None 

Dependency : This feature requires the cooperation of the MSC server.This feature is applicable to the VMSC, GMSC, and TMSC.

Thanks for sharing

This feature provides emergency call for special services.

Important note:

When a mobile user dials a special emergency number , for example, the fire emergency number , police number , ambulance number , or the traffic accident number , the call is routed to the nearest corresponding emergency service center , according to the location of the base station (BS) to which the user belongs.

Very good document

good

This document is very well done

useful document, thanks