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
128×384 backlit LCD display
20 programmable dual-color buttons per module, 2 pages per module (40 contacts total)
BLF/speed dial
Daisy-chain up to 4 modules for up to 160 contacts/extensions
BLA (bridged line appearance)/SC
Grandstream UCM6302A IPPBX Support up to 500 Users and 75 Concurrent calls
Grandstream DP725 is a DECT HD handset supporting up to 20 SIP lines, with 400m outdoor range (via DP755), 50-hour talk time, secure DECT encryption, and advanced VoIP features for professional mobility.
Hikvision DS-3E0326P-E | 24 Port Fast Ethernet Unmanaged POE Switch 
TK-16128-824 8lines , 48Ext analog PBX expandable to16Lines, 128Ext. 
