Error correction for dtmf corruption on uplink

Details Error correction for dtmf corruption on uplink Error correction for dtmf corruption on uplink

H - Electricity

04

M

H04M 3/42 (2006.01) H04W 4/16 (2009.01) H04W 76/04 (2009.01)

Patent

CA 2725916

Aspects relate to provision of enterprise call capabilities to mobile devices. For example, a mobile device can indicate, over a data channel, that a PBX is to make a call on its behalf to a called party. The PBX can call back the mobile device, call the called party, and bridge those call legs to establish the call. The mobile device can employ mechanisms that a particular incoming call is made by the PBX. These mechanisms can include using ANI information, sending, and receiving audible verification codes over the voice channel established after answering the incoming call. The verification codes can be selected based different behaviors of the mobile devices.

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