Faxing over VoIP with Panasonic Fax Machines.

Panasonic fax machines can present a challenge when wanting to set the suggested VoIP settings for faxing over VoIP.  Disabling ECM and setting a BAUD rate to 9600 can be found on some machines, while others there may be no direct way to set these parameters.  Panasonic fax machines vary depending on the model you may have, where some may have BAUD rates that are already appropriate and others may not (may be faster).  VoIP Mechanic has put together some information on some Panasonic fax machhine models to help you.

• Make sure that your Fax line's VoIP connection is set to a G711 codec.  This is a non-compressed codec.  Some providers have a Bandwidth Saver feature or setting and this would need to be turned OFF.  Other providers will need to be contacted where they set the connection to G711, not G729 which would be a compressed Codec.
• Set the resolution to Standard.  Many fax machines come with a resolution set to High or Extra Fine.  This makes the amount of data needed to be transferred much higher, resulting ion the chance for a failure to be greater.  Setting the resolution to Standard will help make the fax success greater and will not result in a poor quality document for text or most normal documents.

 

Disabling ECM on Panasonic Fax machines.

• Press Menu then press either the right or left Arrow Button until you display Advance Settings.
• Press Set.
• Press Start/Copy to access the settings under TX Settings.
• Press either the right or left Arrow until you see ECM Setting (Code #68).
• Select the ECM Selection MODE=OFF by Pressing  + or - until the desired setting is set.

Setting "Overseas Mode"- Panasonic Fax Machines

• Press Menu then press either the right or left Arrow Button until you display Advance Settings.
• Press Set.
• Press Start/Copy to access the settings under TX Settings.
• Press either the right or left Arrow until you see Overseas Mode (Code #23).
• Select the Overseas Mode=NEXT FAX by Pressing  + or - until this setting is enabled.

**Using Next fax for the Overseas Mode will set the next fax transmission to send with a Baud Rate of 9600.  This setting will only set the next fax's speed and the fax will then return to its normal speed. 

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Transmission Speeds (Baud Rate) on some Panasonic Fax Machines.

• KX-F90, KX-F110, KX-F130, KX-F270, KX-F270C, KX-1050, KX-1070 all have a maximum Baud rate of 9600bps with automatic fall back.
• KX-FL511 has a maximum Baud rate of 14.400bps with automatic fall back.