Transparent fax call processing in a mobile device

A mobile device comprising

• a display screen;
• a processor;
• and
• memory having stored therein instructions of a fax software program that when executed by the processor cause the mobile device to
• in response to an incoming call from an originating device being identified, prevent the display screen of the mobile device from outputting an incoming ringing alert;
• answer, without immediate user input, the incoming call;
• place the incoming call on hold;
• and
• while the incoming call is on hold:
• determine that the incoming call is a voice call;
• and
• in response to determining that the incoming call is a voice call, i) transmit an uplink communication signal of a ringing tone to the originating device for playback through a speaker of the originating device, and ii) output an incoming call ringing alert.

A non-transitory machine-readable medium having stored therein instructions of a fax software program to be executed by a mobile device, the instructions when executed by the mobile device cause the mobile device to

• identify an incoming call at the mobile device;
• in response to identifying the incoming call, prevent a display screen of the mobile device from outputting an incoming call ringing alert;
• answering, without immediate user input, the incoming call;
• in response to answering the incoming call, determine that the incoming call is a voice call;
• and
• in response to determining that the incoming call is a voice call, output an incoming call ringing alert;
• and
• in response to determining that the incoming call is not picked up by a user of the mobile device while outputting the incoming call ringing alert, 1) place an outgoing call to a voicemail server and 2) conference the incoming call with the outgoing call to the voicemail server to enable the voicemail server to record a voice message.