My KX-T7730 suddenly started ringing by itself every few minutes. There is nobody on the other line. If I do not answer it, it does not go to voicemail. The ringing stops when I answer it, but the other end is "dead". Once I hang up, it will call back again in about 2 minutes.
Although it wasn't set with a timed reminder, I also tried to "cancel a timed reminder" per the manual, just in case that was the cause. It did not work.
None of the other phones/extensions in our setup have this problem, and it was working fine for 3 years prior to this.
I've tried disconnecting the phone overnight with no use. I can make/receive calls just fine on it (assuming it isn't ringing by it's own, of course). Any ideas? This is driving me nuts.
Well, I doubt it's the phone but just to make sure, swap phones around and see if the problem stays at the extension or moves with the phone.
I am not familiar with the timed reminder feature but that certainly does sound suspicious... Have you used this feature before? Does it make your phone ring? There may be something special you need to do to answer the timed reminder and make it go away. Possibly canceling the timed reminder was too late after it was set off.
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Mus' be sumpin' wrong wit' yo' wiring. If it rings but you can't answer and you can't hear, then the simple answer is one side of the line (like the Tip side) is open. Look for a broken wire in the jack that feeds your phone system cabinet or call your service tech. The most obvious is where the cable was stripped to punch down the wires.
Carl "been there, done that" plastic is not a good conductor of electrons.
Get a picture of that and send it to Panasonic! Your phone would be the *ONLY* one that does, since the button has no light.
Now, the AUTO ANS/MUTE button lights up when pressed to put the intercom in the Auto Answer mode under certain conditions. That could be the one you're seeing. It either forces intercom calls into auto answer if it's a ringing call, or into handsfree answerback if it's a voice call. It also indicates a muted microphone on speakerphone calls.
My office phone is set to Call Forward No Answer to Voice Mail.
I'm guessing that you are learning the difference between the TA series and the TAW or TDA series. Call waiting is programmed from a CW code dialed into the intercom (ie 7311 or *7311) and call forwarding to VM is programmed by a 71x or 710x or *710x command. In a TD TDA or TAW system, you get CF BUSY, CF NO ANSWER, or CF busy/NA.
In a TA you only get CF ALL, or CF Busy/NA.
So, if someone rings your phone while it's busy, there is no indication, just an immediate forward if that feature is set.
The key is that you go to the intercom and dial 9 to get an outside line. If you get a line, you don't have to program 400 to disable the unused lines. After that, you enable outside line transfer, change the time for longer than 10 minutes if you need to, and dial the 7139 phone number # forwarding code.
Hope this helps. If you're using a different system and it doesn't, post back as a comment with your phone system model number.
No battery. This phone is connected directly to a Panasonic phone system and receives all the power from the system. Most likely the line cord is loose or defective but you could have a wiring problem (mouse ate your wire etc..) the phone could have broken, or the port on your system could be bad.
To eliminate the phone itself, just swap it around with other phones on the system.
The phone you have (KX-T7730) requires a phone system to operate. This phone can be installed on a few different Panasonic phone systems. You need a "programming" manual for the phone system to do what you want (not a user guide) so you will first need to determine which system you have. Look for a part number on the system itself, it should start with "KXT" just like the phone.
Your phone will work on a few different Panasonic phone systems. If you are looking for manuals on KX-T7720 and KX-T7720 all you will find is a user guide for the phone. You need to determine the model number of your phone system before starting to look for a programming manual.