Telephone Call Waiting No Overall Depth 3 1/4 in Speakerphone No Overall Height 10 in Voicemail No Overall Width 5 1/2 in Volume Control Yes Indoor/Outdoor Usage Indoor Standards CSA C22.2 No 60950 FCC Part 68 UL 60950 Number of Handsets 1 Number of Lines 1 Cord Length 12 in Mounting Location Surface Caller ID No Enclosure Material Stainless Steel Includes Enclosure Yes Facility Type Correctional Facility Healthcare Includes Mounting Hardware Yes