System and method for the synchronized transmission of tone...

Details System and method for the synchronized transmission of tone... System and method for the synchronized transmission of tone...

H - Electricity

04

W

H04W 72/12 (2009.01) H04W 68/00 (2009.01) H04L 27/26 (2006.01)

Patent

CA 2721549

A computer implemented method for transmitting dual tone multi-frequency (DTMF) tones is disclosed. The method includes sending an indication to a mobile device to start a cyclic ring tone including ring and pause periods. The delay incurred to send a DTMF tone to the mobile device is estimated. The server schedules the transmission of the DTMF tone to be received at the mobile device during a pause period of the cyclic ring tone and the DTMF tone is sent as scheduled.

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