The K-1700-3 provides a tough and attractive handsfree phone for apartment, and residential door entry or applications requiring a vandal resistant speaker phone. The keypad may then be used to dial any number. If no Touch Tone is entered within 8 seconds, CPC is detected, a busy signal is detected, or the programmable maximum call time has elapsed, the K- 1700-3 will automatically disconnect. Alternatively, the K-1700-3 may be disconnected by pressing the ?Call? button again. The K-1700-3 comes complete with a standard, flush mount, rough-in box. In addition, an optional weather resistant, surface mount box is available.