Auto Dialer can be programmed to dial Hotline by press one digit number

The Studio Hotline Phone Flasher and Door Indicator. DM Engineering

NEW 2GIG GC-POTS Telephone Line Module GoControl GC2 CP21-345 Landline Dialer

BiAmp Tesira HD-1 Dialer base ^^^

Quiklink Two-Way Automatic Ringdown Module (telephone hotline)

Panasonic Easa-Phone KX-T1235D Automatic Dialer

Viking K-1900W-2 RED Hotline No Dial Wall Phone *Refurbished*

Viking K-1900D-2 RED Hotline No Dial Desk Phone *Refurbished*