My phone isnt working

How do phone lines work ?? What do they use to work ??? Thanks

I just bought a new straight talk phone & it was working last night & most of today but now i can't text or make calls it jus...

My phone turns on and all, but the screen is blue...the white water thing (or what I expect it to be) is still white...and if...

my webcam isnt working. it comes on an its all bright green an fuzzy... the mis is working.. im on a laptop... anyone know wh...

I have verizon and my phone is stupid(samsung knack) I am trying to lose it because I want my moms enV. my contract doesnt ex...

I hooked a phone up in my room, it wont give me a dial tone. I hooked it up in my dads office and it works fine. it has a ful...

Ok, I have an acer laptop with a built in webcam, and I love going on cam, but last night, it said it wasnt hooked up, whats ...

My parents keep on taking my phone. And I have people I work for contact me on it. So I'm in need of a phone. But something I...

So this mornin my phone was perfectly fine. I didn't drop it,didn't hit it on anything. It was perfect. Then around lunch tim...

What brand cordless phone do you think works the best? We have cordless phones from three different companies in our house, a...