I've got an AT&T model 982 corded phone. Whenever I pick up the receiver or punch the speaker phone to receive or dial out, the phone beeps loudly four or five times. How do I shut that off?

My first question would be, have you recently installed any after marked speakers, or radio into the car? You could have a grounded speaker wire, or connections not properly paired that could be causing the issues.

Intercom button/s provide dial tone when they are pressed. They are required to call other phones on your system.
Sounds like your button is stuck or issue with the motherboard.

The lights are controlled by 2-AA batteries per line (they are not necessary to just make calls) - The dial tone, I don't know, but you have Line 1 & 2 as one Plug, plus Line 2 and there are 2 Data plugs all in the back.. so...you know

The switch that the handpiece activates is not working. Could be optical, magnetic or physical. It may need cleaning, adjusting or a wire connection repaired. Also check the curly cord and its connections between the handpiece and telephone.

each beep means a new voice mail...so 6 beeps should indicate that you have 6 new voice messages :D just dial your voice mail and check them and it will stop!!!!! :D
GOOD LUCK AND PLEASE RATE THIS POST!!!!!!!!

Try punching in the number to call first THEN hit talk.. It should dial and call at that point..

Just like when making a call from your cell phn - dial the # first..

good luck ;o)

Hi, you can check that your phone connection from your 7420 to line works. Listen for a dial tone in a phone connected to your mfc7420. If not, your tel comm module could be at fault.

make shure handset cord is Not pluged in to the Headset jack on the bottom, needs to be in the handset jack (look at the icons)

Do not pick up handset. Dial 6320. You will hear 2 beeps

To change the greeting you need to either pick up the phone or press speaker phone then dial *38 then 1 then you will hear a beep/call tone. When you hear that tone record your message/greeting. Once you are finished press the auto dial/store button. If your are satisfied with that message hang up or press speaker phone again to end the call. If you would like to clear the message, then right after you hit auto dial/store you will hear a beep/call tone press 0 to clear or 1 to rerecord.