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Phone line/phone jack problem

I have a problem with the phone lines oin my new home. When I plug phones into the jacks in my family room and bedroom there is no dial tone. I had a two line phone from my office. I plugged it in and line two lit up and on line two I have a dial tone. I want my single line phones to work.

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Re: Phone line/phone jack problem

The wiring on the jacks is set up for a 2 line phone.

If you take the jacks apart, you will see either:
A) red, green, and black, yellow
B)white blue/blue white and white orange/orange white

You need to swap the pairs.
If there are red/green/black/yellow wires. remove the yellow/black and move them to where the red/greens are. Then put the red/green wires, where the yellow/black used to be.

OR, you need to swap the orange and the blue wires.

Posted on Dec 22, 2007

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I have a NEC DTH-8D-1 Corded phone. I moved my desk and plugged the phone in at a different phone line port and the screen now reads "Initialize." What is it asking for? How do I set up my phone at th

Your extension is hardwired to 1 jack, if you plug in somewhere else you'll be lucky if the jack is active with another extension. Someone needs to re-wire your extension in the phone room to your new jack. If it won't activate but says Initialize, then that jack probably has a live fax line or analog extension, but not a digital line that works on your phone.

Sep 02, 2014 | NEC DTH-8D-1 Corded Phone

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Have 2 lines on my panasonic phone, the first line has no dial tone

Do you plan on doing anything to help yourself? In a room somewhere, there's a Black and Blue cabinet wiht jacks on it. One of those jacks is the one that contains dial tone for line 1. You also have an interface somewhere that has line 1 and it has a modular jack to plug into (usually). You have to take a REGULAR phone, not the Panasonic digital phone, and plug into the line to determine if it's inside or outside trouble. It will probably be outside, then you report it to whoever supplies your phone lines.

If it is inside, you can always swap the plugs for lines 1 & 2 to see if you have a programming issue. This assumes you have a TDA-50 or lower or NCP phone system. If you have a TDx-100/200/600 then you need to be a little more familiar with troubleshooting.


Sep 15, 2010 | Panasonic KX-T7630 Corded Phone

1 Answer

I have a Uniden dect6.0 cordless phone, when I plug it into my phone jack ,the screen reads check phone line. So we have replaced the phone line with another brand new cord.Same thing. Can not get a dial...

When the "check phone line" message appears, it is referring to telephone service and not the wire. It appears that your phone jack is "dead" or that there is no working service in the home. Do you have another phone that you can use to check the jack? Is there another jack that you can plug the phone into for a test?

Nov 20, 2009 | Uniden Phones

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I have dial tone for 5 min. Then the line goes dead. I call my house number from my cell phone and get a bussy signal. There are no other phones hooked up, I've replaced the phone jack, and I've found out...

The line is shorting that is why you get a busy .Have you replaced the telephone .Can you disconnect the wires going to all rooms at point of demarcation when the problem occurs . If problem remains call your local Telco the short is in their network. If problem remains the problem is inside your house. Try disconnecting one wire at a time till problem clears.

Nov 18, 2009 | Phones

1 Answer

Phone works in one jack but not another

Hi, Looks like either the wiring is slightly different or the jack plug not quite with in the tolerance limit. Can you swap the cables between the units (if they are removeable) to eliminate the cable as well. I would suspect the cable on the new phone! I would also make sure there is no dirt on the connectors on the plug...there are minute grooves where you can see the meatl...sometinmes these get blocked!

Jan 08, 2009 | GE 28111 Cordless Phone

1 Answer

Second line not working

The phone will show that "line in use" message when it's not connected correctly.

If your two phone lines come in to one jack, make sure you are using a 4-wire line cord connected to the "line 1 and line 2" jack on the phone. You may be using a 2-wire cord so the second line isn't reaching the phone.

If the two lines are on separate jacks you need to connect line 2 to the separate "line 2" jack.

If you know for a fact that both lines are properly connected to the phone and it still doesn't see the second line, then it's time for a new phone.

Dec 10, 2008 | AT&T E2562 Cordless Phone

1 Answer

We have a number of phones in the house....none works. When the phone is picked up all you get is a buzzing sound

This could be any number of things here are a few ideas to help isolate the problem:
  1. Disconnect all phones from the wall jacks
  2. Connect a phone to each wall jack, one at a time and test. This will help you determine if one of the all jacks is bad. Use the same phone for testing each jack. If you have a phone that does not require AC power, use that phone to test. If the same phone works at every wall jack, one of your phones is bad. You can now test each phone alone until you find the bad phone.
  3. If after testing each wall jack, you still have buzzing on the line you will need to contact the telephone company to test the line coming into the house or apartment.
  4. If you live in a house and can access the "box" where the phone lines enter the house, there is usually a jack where you can plug the test phone into and check the lines BEFORE they enter your home.
  5. If you test at the entry box and your phone works, you have a problem with the wires in your home. If you still have the buzzing, it is probably a telephone company problem
Good Luck!

Aug 11, 2008 | Phones

1 Answer

Main line has gone dead throughout our house 619-443-1066. We must have the line working as to medical assistance that is necessary for 2 members in our home.


outside somewhere on your house is a grey telephone box, open it up with a screwdriver and look inside. your looking for a phone jack, this is where you plug a spare phone in to diagnose wether the problem is inside or outside. the phone jack may already have a small phone jack plug plugged into it, this goes to your house. unplug that and swing it out of the way. use a spare phone and plug it in there. If you plug the phone in and you dont hear a dial tone use your cell phone to call the phone company and tell them what you just did and your problem is outside. If you do hear a dial tone your problem is from the box to the house and for right now you can use an extension cord to run it inside untill you find where your problem is. When you have time you can start troubleshooting by plugging that house plug back into the grey box and unplugging ALL phones and equiptment and start checking every jack in the house to see if you have any dial tone, if you dont have a dial tone anywhere and when you call your phone line its busy that could mean you have a short, if it rings off the hook then you have a broken line, the wire colors in question are RED and GREEN and line 2 are usually yellow and brown or another color, and all of these cant touch or be crossed or you will have a shorted line. If you have kids you might want to check their room to see if theyve been playing around with the jack or jacks , a visual inspection with a magnifying glass and a flashlight into the jacks should show no metal contacts bent or overlapping. taking the covers off the jacks should see those wire colors securely wrapped around the designated wire bolt posts. If you need more assistance write me back
good luck


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1 Answer

Multi Phone Line Wiring Assistance

unless you are intending on using internet phones you will need to run new wire from the phone box ( on the outside of house) to each Room A and Room B. The general line is already run as I am assuming you already have 1 line in place.

Mar 11, 2008 | Phones

1 Answer

My phone lines keep on crossing!

If you are in a private residence go to the demarcation box and unplug the phone jack that connects the line to your home. Plug your phone directly into the jack which is now looking at the line and has eliminated your house wiring from the circuit. Make an outgoing call and have someone call you back. If the trouble persists, the trouble has just been proven to be on the line which is a phone company problem. Busy signals occure when a short is detected on the line so you may have cable trouble in your area. Thank You. Jerry

Feb 08, 2008 | Vtech VT-9161 Cordless Phone

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