Last Updated: July 21, 2025
This Extension Module adds functionality, versatility, and flexibility to our carrier-grade IP phones. Its features include a 272×480 LCD display that offers up to 40 contacts per module with support for up to 160 contacts with four modules. The module supports a wide-range of advanced calling features, including extension monitoring, call park/pick-up, speed-dial, presence, intercom, transfer, and more. It is ideal for businesses and receptionists managing high call volumes to efficiently monitor and route incoming calls.