Method and system for indirectly establishing a call
First Claim
Patent Images
1. A method of performing an emergency call back with a mobile station, comprising:
- sending a call back request from a call register associated with a public service answering point (PSAP) switch to another call register, the call back request requesting that a mobile switching center, serving the mobile station, establish a call between the mobile station and a public service answering point (PSAP).
4 Assignments
0 Petitions
Accused Products
Abstract
A call is indirectly established by triggering a call register to request a mobile switching center, associated with a mobile station, to establish a call between the mobile station and a second party.
16 Citations
10 Claims
-
1. A method of performing an emergency call back with a mobile station, comprising:
sending a call back request from a call register associated with a public service answering point (PSAP) switch to another call register, the call back request requesting that a mobile switching center, serving the mobile station, establish a call between the mobile station and a public service answering point (PSAP). - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
8. A method of performing an emergency call back with a mobile station, comprising:
-
receiving, at a call register associated with a mobile switching center, a call back request from a call register associated with the PSAP switch; and sending, in response to the call back request, a request to the mobile switching center that the mobile switching center establish a call between the mobile station and a Public Service Answering Point (PSAP). - View Dependent Claims (9)
-
-
10. A public service answering point (PSAP) system, comprising:
-
a PSAP switch for handling emergency calls; and a PSAP call register for routing a call back request from the PSAP switch to a mobile switching center which served an emergency call from a mobile station identified in the call back request.
-
Specification