Invention Application
WO2015181845A1 METHODS FOR HANDING OVER A CIRCUIT SWITCHED CALL TO AN INTERNET PROTOCOL CALL AND RELATED ELECTRONIC DEVICES AND COMPUTER PROGRAM PRODUCTS 审中-公开
用于将电路切换到互联网协议呼叫和相关电子设备和计算机程序产品的方法

METHODS FOR HANDING OVER A CIRCUIT SWITCHED CALL TO AN INTERNET PROTOCOL CALL AND RELATED ELECTRONIC DEVICES AND COMPUTER PROGRAM PRODUCTS
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.
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