Invention Grant
- Patent Title: Methods for handing over a circuit switched call to an internet protocol call and related electronic devices and computer program products
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Application No.: US14367584Application Date: 2014-05-26
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Publication No.: US09742924B2Publication Date: 2017-08-22
- Inventor: Rodrigo Terra Rios , Mostafa Attariani , Ahmed Tayeh , Mathias Jensen , Nabaz Barzangi
- Applicant: Sony Corporation
- Applicant Address: JP Tokyo JP Tokyo
- Assignee: Sony Corporation,Sony Mobile Communications Inc.
- Current Assignee: Sony Corporation,Sony Mobile Communications Inc.
- Current Assignee Address: JP Tokyo JP Tokyo
- Agency: Myers Bigel, P.A.
- International Application: PCT/JP2014/002753 WO 20140526
- International Announcement: WO2015/181845 WO 20151203
- Main IPC: H04M7/12
- IPC: H04M7/12 ; H04M7/00 ; H04M3/42 ; H04W36/00
Abstract:
A method includes establishing a circuit switched call with an automated answering system at a destination, the destination having a communication server associated therewith, transmitting a request to switch to Internet Protocol (IP) communication to the automated answering system, receiving an IP request acknowledgement message from the communication server responsive to transmitting the request to switch to IP communication, and establishing an IP communication session with the communication server responsive to receiving the IP request acknowledgement. Systems and computer program products are also disclosed.
Public/Granted literature
Information query
