• Supports up to 2000 users
• Supports up to 300 concurrent calls
• Zero configuration provisioning of Grandstream SIP endpoints

features :-

• 1 SIP account, 2 line keys, 3-way conferencing, 3 XML programmable context-sensitive soft keys
• Dual-switched 10/100 mbps ports
• EHS support for Plantronics headsets
• Up to 1000 contacts
• Call history up to 200 records
• Integrated Poe 3.84W-6.49W(onGXP1615)

The Grandstream UCM6300A Audio Series brings a reliable on-premise IP PBX solution with the flexibility for remote access. The UCM6302A unifies the business voice, instant messaging (IM), voice meetings, mobility, facility access, and more into one device making deployment and management easy.

A powerful unified communication & collaboration solution for any organization. The UCM6300 series provides a high-end unified communications solution packed with an ecosystem of mobility, security, video and collaboration tools.

With a 6 Core processor, 4GB of RAM and 128GB of flash memory this IP PBX appliance provides secure enterprise-grade features.

No licensing fees required and no additional costs for features. No recurring monthly fees.

These systems include all in telephony features such as:

• Auto-Attendants / IVR (Interactive Voice Response)
• Multi-site / Multi-company connections
• Call Center Set-up + Call Reporting Functions
• Live Built-in Auto/Manual Call Recording
• CDR-Call Detail Records
• Zero-Config (for Phone Extensions)
• Call Park/Orbit, Hold, Transfer, Follow-me,
• Time Mode Scheduling
• Automated System Back-ups
• Fax to email, and much more…