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IP PBXs
Grandstream UCM6302A IP PBX System
Key Features
Brand: Grandstream
Supports up to 3000 users and up to 450 concurrent calls
Zero configuration provisioning of Grandstream SIP endpoints
Built-in conferencing & meetings platform; supports desktop, Wave app, and SIP endpoints
Wave for Android, iOS, Chrome and Firefox browsers allows communication with all UCM6300 users & solutions
API available for third-party integrations, including CRM and PMS platforms
Advanced security protection with secure boot, unique certificate and random default password to protect calls and accounts
Three Gigabit auto-sensing RJ45 network ports with integrated PoE+ and support NAT router
Automated NAT firewall traversal service facilitates secure remote connections
Supports Full-Band Opus voice codec and H.265/H.264/H.263/ H.263+/VP8 video codec, jitter resilience up to 50% packet loss
Compatible with GDMS for cloud setup, management and monitoring
Based on Asterisk* version 16 open source telephony operating system
1 Year Warranty
Grandstream UCM6302A IP PBX System
Grandstream UCM6302A IP PBX System Professional Guide
Review the operational features of the Grandstream UCM6302A IP PBX System communications appliance. Learn how this unified platform manages local analog lines and expands remote workforce connectivity.
Introducing the Grandstream UCM6302A IP PBX System
The Grandstream UCM6302A IP PBX System is an on-premise communication hub built for small and medium-sized organizations. This physical appliance unifies essential corporate communication paths like voice calling, instant messaging, and audio web meetings into one network. It helps companies manage local telephony infrastructure independently without ongoing per-seat platform fees.
Operating on an Asterisk version 16 open-source engine, the device balances legacy connectivity with modern internet-based communication. The system serves as a cost-effective alternative for businesses that require dependable on-site hardware but still need remote collaboration.
Core Distinctions of the Audio Series
The letter A in this model designation marks its place in the Grandstream Audio-Only product lineup. Unlike standard UCM6300 models that support full multi-party video conferencing, this appliance concentrates processing resources on high-fidelity audio streams and team messaging. This configuration optimizes performance for companies that do not require desktop video streaming.
Technical Specifications and Capacity
Hardware Port Breakdown
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- Foreign Exchange Station Ports: Includes two integrated RJ11 FXS ports to connect legacy analog telephones or fax machines directly.
- Foreign Exchange Office Ports: Equipped with two integrated RJ11 FXO ports to attach standard analog public telephone lines.
- Power Outage Lifeline: Features built-in hardware bypass links that maintain analog connectivity during unexpected power losses.
- Data Interface Network Configuration: Contains three self-adaptive Gigabit network ports that operate in switched, routed, or dual modes.
- Media Expansion Access: Includes one physical USB 2.0 port, one USB 3.0 port, and a dedicated SD card slot for call recording storage.
Scalability Limits
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- Registered Extension Capacity: Supports a maximum configuration of up to 500 unique system users on a single appliance.
- Simultaneous Conversation Volume: Manages up to 75 concurrent active voice calls running across the platform at once.
- Secure Real Time Transport: Maintains full security encryption across all 75 concurrent calls simultaneously using secure protocols.
- Integrated Meeting Spaces: Configures up to 5 individual audio conferencing rooms handling a combined limit of 75 participants.
Deployment Advantages for Modern Workspaces
Hybrid Analog and Digital Bridging
The system enables a smooth transition from old physical telephone wires to modern internet-based trunks. It mixes legacy landlines from local service providers with up to 200 distinct digital voice accounts. This design lets businesses keep existing phone numbers while taking advantage of cheaper long-distance internet routing rates.
Free Remote Desktop and Mobile Provisioning
Offsite workers communicate easily by using the free Grandstream Wave application on mobile phones or personal computers. This tool allows users to read company chat history, check extension statuses, and answer phone calls from anywhere. The appliance pairs with cloud traversal services to let distant workers bypass complicated network firewall adjustments.
Unified Security Layering
The hardware protects confidential business data by using a comprehensive layered security structure. The system starts up using secure boot verification, relies on individual digital certificates, and comes with a randomized default administrative tracking password. Managers configure all deployment properties using the centralized cloud portal for fast setup and continuous hardware health checking.
