Grandstream UCM6308 IPPBX Support up to 1500 Users and 200 Concurrent calls
Up to 2 concurrent HD calls
Extends an additional range of 300 meters outdoors and 50 meters indoors for added mobility
Automatic or manual association to DP750/DP752 base stations for easy use
Supports Plug-n-Play features like auto association, auto region detection and seamless call handover
Automated provisioning options include XML config files
Ethernet connection provides PoE features
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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
Grandstream UCM6308 IPPBX Support up to 1500 Users and 200 Concurrent calls
This powerful and affordable router crushes all previous CCR models in single-core performance. 16x Gigabit Ethernet ports, 2x10G SFP+ cages, active cooling and the best single-core performance per watt & best overall performance per watt among all the CCR devices.
Mikrotik CRS212-1G-10S-1S+IN Cloud Router Switch complete 10 SFP port plus 1SFP+ and 1Gigabit Lan 
ZL-Bracket for 350Kg EM Lock-Use with Inward Door 
