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:
Jun. 12, 2018
Filed:
Mar. 19, 2015
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Sunggi Baek, Daegu, KR;
Jiyeon Lee, Gyeongsangbuk-do, KR;
Jonghwa Choi, Jeollabuk-do, KR;
Dongwoo Kim, Daegu, KR;
Jinhong Seol, Gyeongsangbuk-do, KR;
Changhwan Lee, Daegu, KR;
Yonggil Han, Gyeongsangbuk-do, KR;
Samsung Electronics Co., Ltd, , KR;
Abstract
A method of providing call services for an electronic device is provided. The method may include receiving a call request from the user; determining whether the call request is a request for a call via an Internet Protocol (IP) Multimedia System (IMS) network; making, when it is determined that the call request is a request for a call via an IMS network, an attempt to set up the call via the IMS network; determining whether the attempt for the call setup via the IMS network is successful; and performing Circuit Switched Fallback (CSFB) when it is determined that the attempt for the call setup via the IMS network is unsuccessful.