A:AnswerWe are sorry to read that your unit doesn't ring. We can't determine its cause and the best course of action would be to reach out to us via live chat for help on shop.panasonic.com/livechat MON-FRI; 9AM-5PM EST. #C
A:AnswerKindly be informed that the range from the base to the handsets is not exact, as it mainly depends on the environment in which you are using the product. -M
A:AnswerWe would need more information about your other phone. If you’re open to discussing it further, please contact Support Team via Live Chat on the Panasonic Website, Contact Us option, Mon-Fri, 9am-5pm EST.
A:AnswerKindly be informed that you cannot register a base unit to another base unit. You can look into purchasing an additional handset for your existing system. If you need further guidance, kindly let us know and we will happily assist you. You can contact Support Team via Live Chat on the Panasonic Website, Contact Us option, Mon-Fri, 9am-5pm EST.