Grandstream GRP2650 14 Lines, 6 SIP

 Part of the GRP series of Carrier-Grade IP Phones, the GRP2650 is a
professional 14-line model designed with zero-touch provisioning for mass
deployment and easy management. It features a sleek design and a suite of
next-generation features including: 5-way voice conferencing to maximize
productivity, integrated PoE & Wi-Fi, full HD audio on both the speaker and
handset to allow users to communicate with the utmost clarity, EHS support for
Plantronics headsets and integrated USB headset support.