| ELECTRICAL POWER SOURCE RELATIONSHIP | OPERATING |
| AC VOLTAGE RATING | 100.0 VOLTS MINIMUM AND 230.0 VOLTS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| COLOR | GRAY/GREY OVERALL |
| DC VOLTAGE RATING | 48.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| FEATURES PROVIDED | NATIONAL TELECOMMUNICATIONS APPROVAL |
| INCOMING CALL SIGNAL DEVICE | LIGHT AND RINGER |
| OVERALL HEIGHT | 102.0 MILLIMETERS NOMINAL |
| OVERALL LENGTH | 231.0 MILLIMETERS NOMINAL |
| OVERALL WIDTH | 159.0 MILLIMETERS NOMINAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | DIALOG 4422 IP OFFICE |
| MATERIAL | PLASTIC CASE |
| SPECIAL FEATURES | 5 PROGRAMMABLE KEYS;13 LEDS;1 CONNECTION FOR EXTRA KEY PANEL;TRANSFER KEY;PIXELS 128X25 |
| STYLE DESIGNATOR | PUSH BUTTON, WITH BUTTONS FOR SPECIAL FUNCTIONS |