Grandstream Phone Systems

The Grandstream UCM RemoteConnect Enterprise Plan enables up to 400 registered remote users/devices, up to 64 concurrent remote voice/video calls/meetings, 10 GB cloud storage and unlimited calls/meetings with your Grandstream UCM6300 Series IP PBXs...

The Grandstream UCM RemoteConnect Business Plan enables up to 200 registered remote users/devices, up to 32 concurrent remote voice/video calls/meetings, 5 GB cloud storage and unlimited calls/meetings with your Grandstream UCM6300 Series IP PBXs...

Establish a professional distance communications system by harnessing the power of your Grandstream UCM6300 Series IP PBXs. The Grandstream UCM RemoteConnect Pro Plan enables support for up to 100 registered remote users/devices, up to 16 concurrent...

Extend the power of your Grandstream UCM6300 Series IP PBXs with the Grandstream UCM RemoteConnect Plus Plan — enable work from anywhere. With this plan, you get support for up to 50 registered remote users/devices, up to 8 concurrent remote...

Grandstream UCM6308A gives SMBs the professional business telephony solution they desire — plus unified communications applications like corporate chat, web meetings, access control and much more. UCM6308A supports up to 1500 users and 200...

Grandstream UCM6304A is a powerful IP PBX for professional business telephony — with unified communications features like corporate chat, web meetings, access control and much more. UCM6304A supports up to 1000 users and 150 concurrent calls (120...

Grandstream UCM6302A provides a powerful on-premise unified communications platform for professional audio communications — perfect for SMBs. UCM6302A supports voice communications with many other applications — corporate chat, web...

Grandstream UCM6300A provides SMBs with an exceptional, affordable IP PBX for voice communications — plus corporate chat, web meetings, analytics and more. UCM6300A supports up to 250 users and 50 concurrent calls — with an integrated...

Grandstream UCM6208 is a powerful rack- or wall-mounted IP-PBX for enterprises. With the UCM6208, you can centralize control over 800 individual SIP users. The IP-PBX handles 100 simultaneous audio calls or 45 WebRTC sessions, as well as 6 conference...

Grandstream HA100 is a failover solution for the Grandstream UCM6510 IP-PBX. For mission-critical deployments, HA100 is installed between two UCM6510 units, and constantly monitors their operation status. If the primary UCM6510 fails, HA100 automatically...