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
6 SIP Lines
â HD Voice
â POE Enabled
â 2 LCDs (Main + DSS)
â Handset(HS) / Hands-free(HF) / Headphone(HP) mode
â Intelligent DSS Keys
â Desktop / Wall-mount installation
â Optional External Power Supply
â Economical and Environmental friendly package
â Industrial Standard Certifications: CE/FCC
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.
6 lines, 6 SIP accounts, 7-way voice conferencing
Runs Android 4.4 and offers full access to the Google Play Store and all Android apps, such as Skype, Google Hangouts and more
Bluetooth to support syncing of
4 Channel Video Distributor 
TK-16128-824 8lines , 48Ext analog PBX expandable to16Lines, 128Ext. 
Fanvil C600 7" Coloured Screen Video IP Phone 
