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:
Jan. 19, 2016
Filed:
Jan. 31, 2013
Aastra Technologies Limited, Concord, CA;
Francis Shen, Concord, CA;
Paulo Francisco, Concord, CA;
Mitel Networks Corporation, Ottawa, Ontario, CA;
Abstract
A method for setting up a video communication session via an Internet Protocol (IP) network between a first correspondent and a second correspondent, the method having the steps of: the first correspondent placing a call through a public switched telephone network (PSTN) to the second correspondent to establish a PSTN communication session; the first correspondent sending a compatibility request via in-band signals to determine compatibility with the first correspondent for video communication; prompting the second correspondent to accept or decline an invitation for the video communication session; exchanging setup information via the PSTN for setting up the video communication session when the second correspondent accepts the invitation, the setup information comprising attributes of each of the correspondents; and setting up the video communication session via the IP network and terminating the PSTN communication session.