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Question DetailsAsked on 4/7/2014

Small office phone line has white noise. Phone company says it's not their dep to fix. Who can?

Two lines in the office (four phones). Each phone has white noise or static on it. Verizon says it's an internal issue and can't help us unless they charge an arm and a leg. Everywhere I search there are cell phone repairs but not land lines. Do we call a regular electrician?

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1 Answer


AL has a category - not sure what it is called - Landline Installer or Telephone Installer or similar, that handles this.

You could also troubleshoot yourself like this, probably before or after hours when phones are not in use. This assumes your lines are all just standard wires with phone jacks - be sure to label or felt marker color-code which goes in which hole on phone - continue down list till you find the problem - if your security alarm system goes through your phone system, then you probably don't want to be unplugging lines at the terminal box, or you might set off alarm. If these are phones with multi-line cords coming into the phone and screwed in instead of using regular phone jacks, then you are limited to checking only a few of these.

1) if multi-line phones, is it on all lines or only one outside line or intercom line - if on one line at all phones, then wiring or interference problem or bad connection in that circuit, likely not individual phone issue. If on all lines on a given phone but not other phones on same line, then interference or problem at that phone specifically.

2) check all cords, both line and handset, to be sure snapped in tight - on bad phones, unsnap and plug back in till you hear the snap or click. Also make sure not wrapped around computer cables or across plug strips or such that could be putting an EMF sttic into the phone line.

3) take a phone you know works right, and swap with one that has the noise. If fixes it, then the phone you swapped out has a problem. (see further below)

4) If swap made no diff and still noisy line, swap out the cord to the wall to see if that makes a difference - if so, cord or connector is bad, try buying a new cord (if single-line cords) and replace it for $5 or so

5) if swapping phones and line cords makes no diff, then find your master phone panel and try one by one unplugging and replugging the phone lines that come out of the plug board - should be numbered with Line 1, Line 2 etc - or more likely with the phone number or maybe only last 4 digits of phone #. Should snap in positively. Do onie at a time so don't mix them up, ,and of course when you unplug anyone on that line will be cut off so beware of that - also any computers that connect through the phone system like with DSL service.

6) if still no diff, are the phones near each other - if so, try unplugging radios, fans, clocks, chargers anything like that nearby one by one and see if kills noise. Also, if near any flourescent lighting that can make a buzz or white noise on phones.

7) If problem is on a specific line only, take a working phone with line cord and, at the terminal box, unplug that line number where is comes out of the box andgoes into the office and plug in the phone there - if works fine, then problem is in wiring inside the office for that line, and you probably need a tech. If still fuzzy, then is in terminal block or outside line and should be Verizon's problem.

8) If appears to be in a specific phone, take to another desk with working phone and plug in there - if solves problem then was interference from some other device, and just leave the phones swapped if both work where they now are.

9) if moving phone makes no difference, try replacing handset and cord with handset from another phone - if that solves it, by swapping handset then cord you should be able to figure out if handset or cord is the problem. Get new handset cord at box store or RadioShack or such for about $5, or new handset for about $15 from web or phone stores unless phone is real cheap,then just replace that.

10) if all above did not help, then you need a tech to start tracing lines and pinning down the issue, or someone has put a cheap noisy bug on your phone.

Answered 4 years ago by LCD

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