System and method for alternating between in-band and...

Details System and method for alternating between in-band and... System and method for alternating between in-band and...

H - Electricity

04

W

H04W 28/12 (2009.01) H04W 4/20 (2009.01)

Patent

CA 2729502

Systems, methods and devices are disclosed useful for enabling wireless signals representing control messages to be sent between a wireless handheld telephony device and a call control server during an ongoing communication session when an out-of-band path becomes unavailable, the communication session being controlled by the call control server.

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