Title:
METHODS FOR HANDING OVER A CIRCUIT SWITCHED CALL TO AN INTERNET PROTOCOL CALL AND RELATED ELECTRONIC DEVICES AND COMPUTER PROGRAM PRODUCTS
Document Type and Number:
WIPO Patent Application WO/2015/181845
Kind Code:
A1
Abstract:
A method includes establishing a circuit switched call with an IVR at a destination from a mobile terminal, the mobile terminal user user receives an option to establish an IP connection with a communication server associated with the destination. Based on user selection, transmitting a request to switch to 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. Tearing down the circuit switch call responsive to establishing the IP connection.
Inventors:
TERRA RIOS RODRIGO (SE)
ATTARIANI MOSTAFA (SE)
TAYEH AHMED (SE)
JENSEN MATHIAS (SE)
BARZANGI NABAZ (SE)
ATTARIANI MOSTAFA (SE)
TAYEH AHMED (SE)
JENSEN MATHIAS (SE)
BARZANGI NABAZ (SE)
Application Number:
PCT/JP2014/002753
Publication Date:
December 03, 2015
Filing Date:
May 26, 2014
Export Citation:
Assignee:
SONY CORP (JP)
International Classes:
H04M7/12; H04L29/06; H04M3/42; H04Q3/00; H04W36/00
Foreign References:
| US6597686B1 | 2003-07-22 |
Other References:
None
Attorney, Agent or Firm:
KAMEYA, Yoshiaki (Daiichi Tomizawa Building 3-1-3, Yotsuya, Shinjuku-k, Tokyo 04, JP)
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