Backfeeding VoIP Dialtone with DSL Internet

Backfeeding the dialtone through the phone outlets:

If the customer has the newer type of phone system which has a main base unit with other wireless units then the easiest thing to do is to plug the base station directly into the ATA. This completely bypasses the homes wiring and eliminates many problems that may arise in the future.

If the customer doesn't have this type of phone or doesn't want to move the base station phone next to their modem and our ATA then you need to backfeed the dialtone through the existing wiring in the house. How to do this varies depending on if they have DSL, cable or wireless internet. Below explains how to backfeed in each of these situations.

Installation with DSL internet:

If the customer's internet is through DSL then you need to designate a line for DSL separate from the phone lines (they must have cat5 wiring, not quad pair wiring to avoid cross talk in lines). This is because VOIP phone can't run on a phone line that has DSL on it even if there are DSL filters because there is still voltage running through the phone lines.

The easiest way to do this is to find the phone outlet that the DSL modem is connected to and unplug the DSL modem. Unscrew the wall plate but leave everything connected. Look and see how their DSL line is designated. Usually it will be on the same pair of wires (the blue pair) as the phones. If this is the case, then you need to designate the DSL modem line to a different pair such as the orange pair. Do this by hooking up your toner to the other pair (orange) and finding that pair at the D-mark and switch it for the other pair that's hooked up with the phone company. You then want to take the original pair(s) of phone lines that were hooked up to the phone company and beanie them together so our dialtone can be backfed through all the outlets.

You will now need to put on a double wall plate so the DSL line will be separate from the line coming in from our VOIP modem, or you can use a desiganted splitter that splits two lines.

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Howto & Style

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• backfeeding

[girls4evr]

Do you know how I would do this in an apartment building? I would like all of the phone jacks wired for voice. Thanks.

[trent0084]

@girls4evr in an apt building it's hard because most of the time you won't have access to the phone company's nid. Sometimes their main line is located in the apt itself, like behind the kitchen outlet, in that case you just disconnect that main line coming in and tie up your apt's lines.

[rokkettscience]

@trent0084 I never back feed in apartments. all the techs I worked with told the customers to get cordless phones with the base and 3 or 4 phones....Have then sign the work order--Hop in the truck and leave. JOB DOBE...