The short version: Hit menu, Dial #134, Ta-da! It is amazing that Panasonic did not include this function in the default menus.
Cordless phone with caller ID Ni-MH rechargeable battery providing talk-time of 10 hours and standby time of 144 hours Caller ID ...
Telephones Online presents the Panasonic KX-TG 1614 Telephone.
Range Extender for DECT 6.0 Plus Cordless Phone Systems
When it comes to a cordless phone's range, longer is definitely better. The new Range Extender feature, included with select 2010 models or sold separately as an accessory, addresses this need by doubling the effective transmission distance between the base unit and the cordless handset when compared with previous models. Now you can take your conversations farther.
WORKS WITH : KX-TG4013N, KX-TG7532B, KX-TG4033B, KX-TG6532B, KX-TG6512B, KX-TG7531B, KX-TG6582T, KX-TG6543B, KX-TG6531B, KX-TG6513B, KX-TG7534B, KX-TGA750B, KX-TG4011N, KX-TG6544B, KX-TG6572C, KX-TG6572R, KX-TG6511B, KX-TG6533B, KX-TG4031B, KX-TG4053B, KX-TG4022N, KX-TG4023N, KX-TG4012N, KX-TG6541B, KX-TGA651B, KX-TG6542B, KX-TG6545B, KX-TG4024N, KX-TG6583T, KX-TGA401B, KX-TG4034B, KX-TG7533B, KX-TG6534B, KX-TG4032B, KX-TG4021N