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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
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
The Grandstream GVC3220 Video Conferencing System delivers 4K Ultra-HD visuals, Android 9.0 OS, 12x PTZ camera, and full-room audio—ideal for boardrooms, classrooms, and large conference halls.
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 CloudUCM Plus is a cloud-based PBX solution for small and growing businesses. It supports up to 50 extensions and 16 simultaneous calls, with built-in meetings, messaging, and CRM integration—all managed securely without hosting fees.
VC903 Autoranging Digital Clamp Voltage,Current, Resistance, Capacitance, Frequency, Temp,Multimeter 
