Judy: Part II, d.

2). For holding the receiver while placing calls and talking at greater lengths, I use a commercially sold shoulder-rest on another phone.
3). We also have a phone amplifier which allows a normal home phone to be used as an executive or conference phone. (Available at the Radio Shack - an electronics store with nationwide branches.)
b. A plug-and-talk intercom system is a convenient addition, especially for night time "sick room" monitoring. Plugged into any two household or electrical outlets it gives clear room-to-room, upstairs-downstairs, indoor-outdoor, etc. communications. (Also available at Radio Shack.)