20 Most Recent Panasonic KX-TG5672 Twin Cordless Phone Questions & Answers

First you need to verify if the caller id does that to all incoming calls, showing numbers only, or if it only does that to only numbers stored in directory. If it does that to all incoming calls then you need to check manual to see if there a setting to allow both name and number of all incoming calls. Either way you need to make sure caller id functions allows both name /number on display.

Anytime the extension stops working, it is generally caused by a dead battery (90+% of the time). It is occasionally caused by the extension base not charging the battery. Try to pay attention occasionally to the charge status on the extension phone. Buy batteries on Amazon. They're much cheaper.

Turning the answering system on/off Press {ANSWER ON} to turn on/off the answering system. LWhen the answering system is turned on, the ANSWER ON indicator lights. LWhen the answering system is turned off, the ANSWER ON indicator turns off.
This info can be found on page 36 of the manual which can be downloaded from the Panasonic website.

See the instructions on page 32 of this manual: http://service.us.panasonic.com/OPERMANPDF/KXTG5671S.PDF

It's only a single-line phone.

Press [MENU] [0] [6] [1], enter the desired number, then press [SAVE].You can download the manual here.

Hello
You can adjust the count of rings of your phone. For this, press [0,6,1] as code and then press how many rings you wants. For instance, if you want to hear 7 rings press digit '7'. Upto 7 rings can only be set. You can select this number from '1' upto '7'. The normal factory setting for ringer number is '4'. OK.

sounds as though there is a problem with the speaker phone portion of the phone make sure you are not touching the button during the call. sounds as though you hitting that button during the call