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
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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
Sharp HD video resolutions up to 4k Ultra HD
Runs on Android 6.x operating system with full access to applications in the Google Play store
Built-in Bluetooth for use with Bluetooth speakers/ microphones,
Pairs with up to 5 of Grandstream’s DP series DECT handsets via instant pairing using a dedicated pairing button
Up to 10 SIP accounts per system; up to 10 lines per handset
Support outdoor range of up to 400
Hikvision iDS-7204HQHI-M1/S 4-ch 1080p 1U H.265 AcuSense DVR Hdtvi/ahd/Analog/IP with audio 
Wireless U-buckle Door Lock Security with 90db magnetic Alarm Set 
