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:
Dec. 20, 2016
Filed:
Jan. 30, 2014
Apple Inc., Cupertino, CA (US);
Samy Khay-Ibbat, San Francisco, CA (US);
Sarma V. Vangala, San Jose, CA (US);
Sreevalsan Vallath, Dublin, CA (US);
Navid Damji, Cupertino, CA (US);
Luciano Miguel Verger, San Jose, CA (US);
Srinivasan Vasudevan, Sunnyvale, CA (US);
Shivesh Makharia, Santa Clara, CA (US);
Sree Ram Kodali, Sunnyvale, CA (US);
Madhusudan Chaudhary, Sunnyvale, CA (US);
Jianxiong Shi, Pleasanton, CA (US);
Apple Inc., Cupertino, CA (US);
Abstract
A method for providing indication of an SRVCC handover is disclosed. The method can include a first wireless communication device participating in a voice call with a second wireless communication device via a connection between the first wireless communication device and a first network. The method can further include the first wireless communication device determining a condition indicative of an impending SRVCC handover of the first wireless communication device from the first network to a legacy network. In response to the condition, the method can additionally include the first wireless communication device formatting a message including an indication that the first wireless communication device is going to perform the SRVCC handover and sending the message to the second wireless communication device prior to performance of the SRVCC handover.