If you have Digital Voice or VOIP (Voice Over Internet Protocol), your phone service provider should be sending you a phone adapter.
Panasonic digital cordless landline telephone with digital answering machine
Panasonic DECT Cordless Landline Telephone with Answer Machine KX-TG6821EB
Panasonic Digital Cordless Landline Telephone - Twin Set, White KX-TGK220E
Panasonic KX-TGU430EB Digital Cordless Landline Phone with Answering Machine, Ba
Panasonic KX-TGC464 3x Digital Cordless Landline Phone Answering System
Panasonic KX-TGU432EB Digital Cordless Landline Phone
