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Dell Fax VoIP Settings


Faxing over VoIP with Dell Fax/Multifunction machines.

Dell multipurpose machines can be configured for faxing over a VoIP connection, where both receiving and sending faxes will have a higher success rate.  Lowering the Baud rate to 9600, turning off or disabling ECM (Error Correction Mode), and making the resolution standard are the best VoIP settings.  Not all Dell machines have the same Advanced Fax Settings menu, but if your does, then that is where you most likely will find the settings to lower the transmission rate to 9600 and disable ECM.  You will find some information below on particular Dell fax models and links to other related Dell fax machine information.

Look in the Advanced settings on most Dell machines to lower the BAUD rate. 


Lowering the BAUD rate and Disabling ECM on a Dell Multifunction 3115cn

The settings that you need to set for VoIP are accessible under the Advanced Fax Settings.  Follow these instructions to enter the Advanced Fax Settings which are located in the Diagnostic Menu (Customer Mode).

  • Turn off the machine and disconnect all network, phone line, USB and Parallel cables from the device.  
  • Turn on the machine while Pressing both the Up and Down Arrows the and button.  The Customer Mode menu will appear.
  • **After the Advanced Fax Settings have all been made, you need to turn off and back on the machine for the new settings to be effective.
     

To Disable ECM (Error Correction Mode)

  • Enter Customer Mode (see above), and select Fax/Scanner Diag and Press the button.
  • Press the Down Arrow button until Parameter appears, then Press the button.
  • Press the Down Arrow button until Capability ECM appears, then Press the button.
  • Press the Down Arrow button until Disable appears, then press the button to disable ECM.

  Lowering the BAUD rate transmission speed.

  • Enter Customer Mode (see above), and select Fax/Scanner Diag and Press the button.
  • Press the Down Arrow button until Parameter appears, then Press the button.
  • Press the Down Arrow button until Fax Parameter appears, then Press the button.
  • Press the Down Arrow button until G3M TX Modem Speed  appears, then Press the button.
  • Press the Down Arrow button until v29 appears, then Press the button.

You will also need to lower the BAUD receive speed to 9600 with the following instructions (steps 1,2 &3 are the same as above).

  • Enter Customer Mode (see above), and select Fax/Scanner Diag and Press the button.
  • Press the Down Arrow button until Parameter appears, then Press the button.
  • Press the Down Arrow button until Fax Parameter appears, then Press the button.
  • Press the Down Arrow button until G3M RX Modem Speed  appears, then Press the button.
  • Press the Down Arrow button until v27ter+v29 appears, then Press the button.

VoIP Mechanic has put together, with the help of of our readers, some instructions which should suffice for many Dell fax/printer machines. 

Lowering Baud rates and disabling ECM on a Dell fax machines.

These settings are for disabling ECM and setting the BAUD rate, as well as making the resolution Standard, on most Dell fax (scan) machines, before send.

Error Correction Mode
  • Go to Fax options and select AdvancedFax.
  • Select Error Correction and select Off.

Adjusting the BAUD Rate

  • Go to Fax options and select AdvancedFax.
  • Select Max Send Speed and select 9600.

Adjusting the Resolution

  • Select Resolution, press the quality button until displays Standard.  Choose 9600bps

After making the adjustments above and before sending, go to fax options, Advanced Fax, select Scan before dial, the hit the right arrow and select No.