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Hp j6400 fax over voip line error code 388

Can't get my machine to send over voip line, recieves without issue but gets an error code when I send..
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  • Anonymous Apr 09, 2009

    same problem.

    i have t mobile voip home service.

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The problem is not that vonage is digital and your fax is analog. Your phone is also analog. Vonage simply records your analog signal and send it digitally. If you can send faxes but not recieve it's because your firewall needs the ports opened or the vonage router needs to be on the DMZ port or setting. Your router user manual should tell you how to do this. There are many posts on the vonage forums about this subject as well.

Posted on Nov 21, 2009

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Fax machines are ANALOG devices, VOIP, Vonage etc are DIGITAL devices.. It won't work reliably

Posted on Oct 29, 2008

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Error 386


Hi Error 344,

Is telling you the remote end has hung up the call which means it may not be a fax number (you called a voice line number for example, you can confirm if it as fax by just calling the number on your phone if you hear the whistles of a fax then that's not the cause).

I'm not familiar with the HP model but if it is "Super Group 3" (you can tell this if the transmission speed is capable of above 14.4kbps) and you're trying to call an older fax the remote machine may not be able to recognise the "Calling tone" your machine is sending and so it hangs up. You can try to remedy this by temporarily disabling Error Correction Mode (ECM) in your machines fax set up menu this will disable the Super Group 3 capabilities of the fax and maximum transmission speed will be reduced to the older Group 3 machine. HP website recommends the following:
Error Code: 344, 345, 346, 347, 348, 349 ECM, 350 ECM, 351 ECM, 352 ECM, 353 ECM, 354, 355 Definitions
  • The remote machine failed to respond to a fax command from the local machine because the connection was interrupted. These errors can occur if the phone lines in the area to be faxed are old or there is noise (static on the phone line). Other reasons can include power outages and other power-related problems.
  • The call-waiting service can cause this error. The click, heard for an incoming call, is actually a momentary disconnect of the line.
  • The remote user pressed the Stop key while the reception was in progress.
  • Under rare conditions, incompatibility between the two machines might cause the remote machine to abandon the call.

Solutions
  • Retryt the fax reception at a different time when telephone line conditions have improved. Call the telephone provider if line conditions fail to improve.
  • Disable ECM. Errors might still occur, and might result in a degraded image quality on the received page. However, the ability to send the entire document will be improved.
  • Try sending at a lower transmission speed.

Error Code: 386, 387, 388, 389, 390, 391, 392, 393, 394, 395 Definition
There is too much noise on the line for a valid connection between two fax machines to complete. The noise problem might go away over time.
Solution
Retry the fax reception at a different time when telephone line conditions have improved. Call the telephone provider if line conditions fail to improve.

Jan 23, 2014 | HP Officejet 6600 e-All-in-One -...

1 Answer

Error code 388


Error Code: 386, 387, 388, 389, 390, 391, 392, 393, 394, 395 Definition

There is too much noise on the line for a valid connection between two fax machines to complete. The noise problem might go away over time.

Solution

Retry the fax reception at a different time when telephone line conditions have improved. Call the telephone provider if line conditions fail to improve.

Sep 09, 2013 | HP FAX 1250 Fax Machine (Black)

1 Answer

I have a new phone carrier(Vonage) and a new DSL modem from at&t. Prior to obtaining either, my fax machine worked fine. Now, I can't send or receive faxes..(Why)


This is a common issue with all fax machines that use a voip service. Basically, the reception and transmission features of the fax machine are not compatible with voip service. There is a modification that you can perform that usually allows you to avoid this problem, you must lower all transmission and reception speeds of the fax modem; this allows the data to be properly carried over the line without much loss or degradation.

-David.

Nov 03, 2010 | HP 1040 Plain Paper Inkjet Fax

2 Answers

Using on voip


If your VOIP adapter has only one service line (VOIP PIN configured) then you have to remove the phone line and connect the FAX line. Now if you have the two service lines (in the both port separate VOIP PIN should be configured) - then you may connect this FAX to the other port. Both (Phone as well ad FAX) will work simultaneously. (Remember - two seperate PINS are required if you attach phone as well as FAX line in same adapter). After attaching the FAX - every think is normal like normal FAX line. Generally you don't have to dial pre country code like 011 or 00 or +, just dial the number starting from Country code.

Jun 06, 2010 | Brother FAX-575 Plain Paper Thermal

1 Answer

We have a HP 1050 fax machine. Usually when we send something, it displays send ECM and the number of pages. Occasionally it displays send G3 and the number of pages. I can't find anywhere in the user...


this is just the transition speed and line condition and you dont have to worry about it , the machine will give you an error code if the faxes dont go through alturnativly contact the reciever of the fax to check that they have recieved it

G3 means poor line condition

Apr 09, 2010 | HP 1050 Plain Paper Inkjet Fax

1 Answer

Ever since i brought my HP 1040 fax machine i can


it may possible that you have a DSL conn. for internet & phone line.
In DSL conn. we need a DSL filter to be fitted in ur DSL line,so that you can get a analog line for fax/voice calls.

And if you have a VOIP conn. then plz contact HP technical support.

Nov 20, 2009 | HP 1040 Plain Paper Inkjet Fax

2 Answers

Comm error on a VOIP line


Fax cannot send on a VOIP line unless the VOIP line has T.38 fax protocol service.

Sep 25, 2009 | Brother FAX-575 Plain Paper Thermal

1 Answer

Send Fax Issue


I have a brother intellifax 770 and I bought it used so their for I do not have the owners manual and I am having trouble setting it up and getting it to work. I can fax out but I just can't recieve faxes I can fax my daughter but when she faxes me she gets an error of 388 but she is able to fax and recieve faxes so we know her end is not the problem.

Aug 20, 2008 | Brother IntelliFAX 4100 Laser Fax

1 Answer

Just bought and install fax machine (MFC640cw) I can send faxes but cannot recieve any. Phone rings, it recieves but it does not print.


It was installed on a VOIP connection. The Modem speed was changed to BASIC (9600 bps) which turns the error correction mode (ECM) off. Standard speed -14400 bps which may creat errors.
Steps: Menu/set - Fax - Miscellaneous - Compatibility - BASIC - Menu/set - Stop/Exit

May 21, 2008 | Brother Fax Machines

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