Method and apparatus for validation of facsimile communication

A communication device operable for at least one of facsimile communication, voice communication, and a combination of facsimile communication and voice communication, the communication device comprising:

• a facsimile calling tone detection module operable to detect a plurality of signals after a connection is established between the communication device and a second communication device, each of the plurality of signals having a frequency and ON and OFF duration in a frequency band corresponding to a facsimile calling tone, the connection being for at least one of facsimile communication, voice communication, and a combination of facsimile communication and voice communication;
• and
• a communication mode selector operable to switch the communication device from a voice-capable mode to a facsimile mode once the facsimile calling tone detection module detects at least two facsimile calling tones after the connection is established, wherein the facsimile calling tone detection module detects at least two facsimile calling tones at least one of during, after, and a combination of during and after voice communication, wherein the facsimile calling tone detection module detects at least two facsimile calling tone substantially during and after the voice communication.

A method of validating a facsimile communication between at least two communication devices, the method comprising:

• detecting at a first communication device at least two facsimile calling tones after a connection is established between the first communication device and a second communication device, the connection being utilized for at least one of facsimile communication, voice communication, and a combination of facsimile communication and voice communication;
• and
• switching the first communication device from a first communication mode to a second communication mode once the at least two facsimile calling tones are detected by the first communication device, the first communication mode comprising a voice-capable communication mode, the second communication mode comprising a facsimile communication mode, wherein detecting the at least two facsimile calling tones occurs at least one of during, after, and a combination of during and after voice communication, wherein the detecting of the at least two facsimile calling tones occurs from the establishment of the connection substantially during and after the voice communication.