Mayuresh Kadu's techie blog: Interconnecting Cordless Phones
The AT&T EL52300 DECT 6.0 cordless phone
Panasonic Cordless Phone System TGD664M With 4 - KX-TGD664M
Long Range Cordless Phones Optimized for Satellite Systems - Ground Control
Cordless telephone - Wikipedia
Motorola 4-piece Cordless Phone Set with Mobile Phone Sync - 20901945
Top Cordless Phones for Older Adults That Are Easy to See, Hear, and Use
Extended Range DECT 6.0 Expandable Cordless Phone with Answering System, CS5229
Expandable Cordless Phone Telephone With Lcd Display Caller Id
Panasonic KX-TGF350N DECT 6.0 Cordless Phone - Silver, Black
VTech Corded/Cordless Answering System with Dual Caller ID CS6949 - The Home Depot
Setting up your system just got easier. Talking prompts walk you through set up of your phone's digital answering system, so you can be confident it's ready to record. The lighted display indicates how many new messages you have waiting. Enjoy a speakerphone that can keep up with your calls. Increase participation by allowing both ends to speak and be heard at the same time, for conversations that are more true to life.
Vtech Cs6719 Cordless Phone with Caller ID/Call Waiting
Motorola O2 Series - Motorola
Yealink W76P - cordless phone / VoIP phone with caller ID - 3-way call capability - W76P - VoIP Phones
Panasonic Link2Cell Corded Phone System with 2 Corded Handsets, Digital Answering Machine - KX-TGF382M