The Grandstream GHP621 is a compact IP phone designed for hotel rooms and similar environments, featuring 2 SIP lines, PoE support, speed dial keys, a customizable faceplate, and easy remote management via GDMS.
Connects and constantly monitors two UCM6510 together for high availability
Smart failover solution that automatically switches to a hot-standby secondary UCM6510 if the primary one fails
 20 SIP lines, 3-way conference, hotspot
 5″ high-resolution color display
 HD audio on speakerphone and handset
 Up to 60 DSS keys entries available (12 physical)
 Built-in Bluetooth for connecting Bluetooth headset
 Wi-Fi connectivity (via Wi-Fi dongle)
 Video codec H.264 support for receiving video calls
 Stand with 2 adjustable angles of 40 and 50 degrees
 Support EHS headset
 Dual Gigabit ports, integrated PoE
 Compatible with major platforms:3CX, Avaya, Asterisk,
Broadsoft, Metaswitch, Elastix etc.
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1 SIP account, 2 line keys, 3-way conferencing, 3 XML programmable context-sensitive soft keys
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Dual-switched 10/100 mbps ports
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EHS support for Plantronics headsets
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Up to 500 contacts
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Call history up to 200 records
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