Data and fax software setup[ 33 ]11Select the correct modemEach fax application typically has a setup menu that can be used to alterthe settings for your modem, as well as define how and when calls are tobe received (for example, immediately, on the third ring, etc.). This menumay also provide you with a list of available modems that you can use whensending and receiving fax calls.Use your fax program settings menu to select your phone as the active faxmodem.Confirm hardware settingsUse the modem properties dialog box of your fax software to confirm thefollowing settings:• Communications port: COMnn (where nn the virtual COM port numberassigned to the DKU-5 data cable)• Initialization: 19200 bps• Modem type: Class 2.0• Flow control: HardwareNote: You may need to add the following initialization string to your fax software, even though the program provides adrop-down list or checkbox for setting the fax mode/class: AT+FCLASS=2.0• LEARN ABOUT MANUAL SELECTION OF INCOMING CALLSYou can receive digital data or fax calls with your PC using your Nokia phone the same way that you would using your existingmodem.Certain service providers require that you preset your phone to receive incoming data or fax calls, rather than having the phoneautomatically detect the type of incoming call.Note: Your service provider may have special requirements for inbound data and fax calls. Check with your service providerto see if prearrangement of incoming data or fax calls is necessary.Prearrange data and fax call settings in your data/fax softwareBefore you can successfully receive a digital data call or fax transmission in this situation, your phone must receive a specialcommand from your data or fax software. This command tells your phone that the next call it receives is a data call or faxtransmission.Your data or fax programs should allow you to send additional commands to the modem when the program is launched or when thefax software instructs the modem to receive a call. Use the modem configuration menu in your fax software to send the followingspecial initialization string to the modem:To preset your phone to receive a data call, use the following AT command: AT+CSP=1To preset your phone to receive a fax call, use the following AT command: AT+CSP=2The following is an illustration of one fax program modem settings dialog box, and is provided as an example of how to configureyour software: