The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 11, 2016
Filed:
Jul. 27, 2012
Andrew John Farnsworth, Kidderminster, GB;
Vaibhav Singh, Birmingham, GB;
Muhammad Khaledul Islam, Ottawa, CA;
Ozgur Ekici, Escondido, CA (US);
Andrew John Farnsworth, Kidderminster, GB;
Vaibhav Singh, Birmingham, GB;
Muhammad Khaledul Islam, Ottawa, CA;
Ozgur Ekici, Escondido, CA (US);
BlackBerry Limited, Waterloo, CA;
Abstract
A method at a user equipment for establishing a circuit switched call, the user equipment being in a Cell Forward Access CHannel (CELL_FACH) state, a Cell Paging CHannel (CELL_PCH) state or a UTRAN Registration Area Paging CHannel (URA_PCH) state, the method receiving an indication that a circuit switched call is pending; sending to a network element a message to facilitate the user equipment to transition to a Cell Dedicated CHannel (CELL_DCH) state, the message being one of a cell update message having a traffic volume indicator information element indicating that pending uplink data exceeds a threshold or an RRCConnectionRequest message; and establishing the circuit switched call.