Method of and system for setting up a telephone call

Method according to any of the preceding claims, wherein said invoking said Intelligent Network service comprises sending at least one of the following to the Intelligent Network service:

• an International Mobile Equipment Identifier (IMEI) associated with said mobile station;
• an International Mobile Subscriber Identifier (IMSI) associated with said mobile station;
• a Mobile Subscriber ISDN (MSISDN) associated with said mobile station;
• a Global Call Reference Number (GCRN) associated with said telephone call;
• a mobile switching center address (MSCA) of a mobile switching center (MSC) that has set up said telephone connection;
• a called party number used by a mobile switching center to establish said telephone connection with said emergency center;
• said raw location data.

A system for setting up a telephone connection for a telephone call, comprising a mobile switching center (MSC), a service control point (SCP) and an emergency center (EC),

• said mobile switching center (MSC) being arranged to:
• set up said telephone connection for said telephone call between a mobile station (2(i)) and said emergency center (EC);
• send a service invocation to said service control point (SCP) to invoke an Intelligent Network service to start searching for second data relating to said mobile station, including more accurate location data as to where said mobile station is located;
• send first data including raw location data as to where said mobile station (2(i)) is located to said emergency center (EC) via said telephone connection.
• said service control point (SCP) being arranged to
• receive said service invocation from said mobile switching center (MSC);
• start said Intelligent Network service to search for said second data relating to said mobile station, including more accurate location data as to where said mobile station is located;
• send said second data from said Intelligent Network service to said emergency center (EC) once said second data becomes available;
• said emergency center (EC) being arranged to:
• receive said first data and display said first data to an operator in said emergency center (EC);
• receive said second data, correlate it to said first data and display said second data to said operator in said emergency center (EC) once said second data is received.

An emergency center (EC) being arranged to:

• receive a telephone connection with a mobile station (2(i)) via a mobile switching center (MSC);
• receive first data from said mobile switching center, said first data including raw location data as to where said mobile station (2(i)) is located, and display said first data to an operator in said emergency center (EC);
• receive a further connection with a service control point (SCP);
• receive second data from said service control point (SCP);
• display said second data to said operator in said emergency center (EC) once said second data is received.

A method performed in an emergency center, comprising:

• receiving a telephone connection with a mobile station (2(i)) via a mobile switching center (MSC);
• receiving first data from said mobile switching center, said first data including raw location data as to where said mobile station (2(i)) is located, and displaying said first data to an operator in said emergency center (EC);
• receiving a further connection with a service control point (SCP);
• receiving second data from said service control point (SCP);
• displaying said second data to said operator in said emergency center (EC) once said second data is received.