Product Overview
The Grandstream UCM6300A is an enterprise-grade audio IP PBX appliance designed to deliver powerful unified communication and collaboration for small to medium-sized businesses. It integrates voice, instant messaging, audio conferencing, and mobility tools into a single centralized platform.
Built on an advanced telephony architecture, the UCM6300A supports up to 250 SIP users and 50 concurrent calls, making it ideal for growing businesses that require scalable and secure communication systems.
Key Features
- Unified Communication Platform: Voice, IM, conferencing & web meetings in one system
- User Capacity: Supports up to 250 SIP users
- Concurrent Calls: Up to 50 simultaneous calls
- Built-in Audio Conferencing: Up to 50 participants per conference
- Wave App Support: Mobile, desktop & web communication platform
- Remote Access: Secure connectivity via UCM RemoteConnect cloud
- 3× Gigabit Ports with PoE+: Flexible deployment options
- Advanced Security: TLS, SRTP, HTTPS, secure boot & certificates
- Zero-Touch Provisioning: Easy deployment of Grandstream endpoints
- API Integration: Supports CRM, PMS, and third-party apps
Technical Specifications
| Specification | Details |
|---|---|
| User Capacity | Up to 250 SIP users |
| Concurrent Calls | Up to 50 |
| Conferencing | Up to 50 participants |
| Network Ports | 3× Gigabit (PoE+) |
| Display | 320×240 color LCD touchscreen |
| Storage | SD card slot + USB 3.0 |
| VPN & Remote Access | UCM RemoteConnect |
| Security | TLS, SRTP, HTTPS, secure boot |
| Codecs | Opus, G.711, G.722, G.729, T.38 |
| Platform | Asterisk-based |
| Management | Web GUI, GDMS Cloud |
| Power | 12V adapter |
Key Benefits
- All-in-One Communication: Combines PBX, conferencing, messaging, and mobility
- Cost-Effective: No licensing fees for core features
- Scalable Solution: Easily supports growing business needs
- Secure Communications: Enterprise-grade encryption and protection
- Remote Work Ready: Built-in cloud access and mobile app support
Ideal Use Cases
- Small to medium businesses (SMBs)
- Call centers and customer support teams
- Multi-branch offices
- Hotels and hospitality communication systems
- Healthcare and education institutions
Management & Deployment
- UCM RemoteConnect: Secure remote access without complex NAT configuration
- GDMS Cloud: Centralized device and network management
- Zero Config Provisioning: Plug-and-play setup for Grandstream IP phones
- Flexible Integration: Works with SIP trunks, gateways, and third-party apps
Package Contents
- Grandstream UCM6300A IP PBX
- Power adapter
- Ethernet cable
- Quick installation guide
Useful Links
Why Choose Grandstream UCM6300A?
The Grandstream UCM6300A is a powerful, scalable, and secure unified communication solution that eliminates the need for separate voice, messaging, and conferencing systems. With built-in collaboration tools, remote access, and zero licensing costs, it is an ideal choice for businesses looking to modernize their communication infrastructure.


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