Modem control apparatus, control method thereof, and storage medium
AssigneeCanon Kabushiki Kaisha
InventorYosui Naito
Life of this patent
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Abstract
This invention provides a mechanism which can attain at least one of an accurate measurement of a T0 timer and appropriate control of a CNG output timing in a FAX communication using AT commands. To accomplish this, in a modem control apparatus for controlling a modem using AT commands, the modem is set in a voice mode, an AT command including a dial number is sent to the modem set in the voice mode, the modem is set in a facsimile mode after completion of the dialing in the modem, and an AT command including no dial number is sent to the modem set in the facsimile mode so as to control the modem to begin to output a calling tone.
Claims6
A modem control apparatus for controlling a modem using AT commands, comprising:
- a first setting unit that sets the modem in a voice mode;
- a first sending unit that sends an AT command including a dial number to the modem set in the voice mode so as to control the modem to start dialing;
- a receiving unit that receives a notification indicating completion of the dialing from the modem;
- a second setting unit that sets the modem in a facsimile mode when said receiving unit has received the notification;
- and
- a second sending unit that sends an AT command including no dial number to the modem set in the facsimile mode so as to control the modem to begin to output a calling tone.
A control method of a modem control apparatus for controlling a modem using AT commands, comprising:
- controlling a first setting unit to set the modem in a voice mode;
- controlling a first sending unit to send an AT command including a dial number to the modem set in the voice mode so as to control the modem to start dialing;
- controlling a receiving unit to receive a notification indicating completion of the dialing from the modem;
- controlling a second setting unit to set the modem in a facsimile mode when the notification has been received in the controlling the receiving unit;
- and
- controlling a second sending unit to send an AT command including no dial number to the modem set in the facsimile mode so as to control the modem to begin to output a calling tone.
Dependencies are inferred from the claim text.