The Superset 4025 is Mitel's new enhanced digital display telephone, ideal for professional and management staff, and call center agents requiring enhanced access to PBX system features and options.

Enhanced Visual Interface
The Superset 4025 features an easy-to-read 20-character display screen that provides users with a range of visual information, including calling line ID, call status, time and date, and messaging. Fourteen Personal Keys can be programmed for system feature access, speed calling, or as line appearance keys. The Superset 4025 is also equipped with a dedicated head set interface jack which eliminates the need for a headset amplifier box when used with the Mitel Headset with feature control switch, and allows the user to adjust headset volume via volume control keys on the telephone.

Handsfree Operation/Off-Hook Voice Announce
The Superset 4025 supports hands-free operation with a Speaker Key for turning the telephone's built-in speaker on and off, and a Microphone Key that allows the microphone to be turned off for privacy during an on-hook call. The Superset 4025 also support off-hook voice announce, enabling attendants to inform those on the line of an important incoming call.

Simplified Feature Access
The Superset 4025 provides simple access to a range of features, including: