US 7,069,046 B2 Jun. 27, 2006
(54) SYSTEM AND METHOD FOR BASE STATION INITIATED CALL SETUP
(75) Inventors: Rajeev Krishnamurthi, San Diego, CA (US); Roy F. Quick, San Diego, CA (US); Bibhu Mohanty, San Diego, CA (US); Robert H. Kimball, San Diego, CA (US)
(73) Assignee: Qualcomm Incorporated, San Diego, CA (US)
( * ) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S.C. 154(b) by 612 days.
(21) Appl. No.: 09/739,923
(22) Filed: Dec. 19, 2000
(65) Prior Publication Data
US 2001/0023186 Al Sep. 20, 2001
Related U.S. Application Data
(63) Continuation of application No. 09/023,804, filed on Feb. 13, 1998, now Pat. No. 6,188,892.
A system and method for performing base station initiated call setup is provided. Abase station initiated call setup may be utilized to establish a test call, to deliver a packet data services call to a subscriber unit, or to reactivate a dormant packet call. The base station transmits a BS Service Request message to the mobile switching center, requesting initiation of the call. The mobile switching center will authorize the call if the call to be set up is directed to a subscriber unit located within the service area of the base station and if the service option to be used is authorized for the particular subscriber unit. The mobile switching center will allow or disallow the call depending on the state of the subscriber unit. The mobile switching center transmits a BS Service Response message to the base station, conveying the result of processing the BS Service Request message. If the base station initiated call setup is authorized and allowed, the call will generally proceed in the same manner as a subscriber terminated call.
33 Claims, 3 Drawing Sheets