“All-In-One” music-on-hold devices for analog phones, these are the regular 1 to 4 line telephones
The corded or cordless 1-Line, 2-Line or 4-Line telephones available on-line or in stores.
.
Here are some examples:
.
AT&T (TL88102) Dect 6.0, AT&T ML17928, ML17929, AT&T TL86109 … plus all other AT&T phones
VTech DS6151, CS6529-4, CS6719-2, CS6429-3, IS8151-5 …plus all other Vtech phones
RCA 25201RE1, 25055RE1, U1100, ViSys 25424RE1 …plus all other RCA phones
Panasonic KX-TG9541B, KX-TGF575S, KX-TGF372S …plus all other Panasonic phones
.