| 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 LENGTH | 234.0 MILLIMETERS NOMINAL |
| OVERALL WIDTH | 240.0 MILLIMETERS NOMINAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | DIALOG 4425 IP VISION |
| MATERIAL | PLASTIC CASE |
| OVERALL HEIGHT | 102.0 MILLIMETERS NOMINAL |
| SPECIAL FEATURES | 17 PROGRAMMABLE KEYS;23 LEDS;3 NAVIDGATION KEYS,4 SOFTKEYS;2 LINE ACCESS;1 INQUIRY KEY;4 CONNECTIONS FOR EXTRA KEY PANEL |
| STYLE DESIGNATOR | PUSH BUTTON, WITH BUTTONS FOR SPECIAL FUNCTIONS |
| SUPPLEMENTARY FEATURES | GRAPHICAL DISPLAY PIXELS 320X80;TILTABLE DISPLAY;CLEAR FUNCTION;HEARING IMPAIRED SUPPORT +6DB;MESSAGE WAITING INDICATOR;MUTE FUNCTION;LOUDSPEAKER;HANDSFREE SPEAKING;HEADSET PORT AND KEY;VOLUME CONTROL;PROGRAMMABLE VOLUME AND TONE;OPTION UNIT CONNECTION;WALL MOUNTABLE TOO;ADJUSTABLE CONSOLE BASE |