The Grandstream UCM6308A is a high-performance, audio-only IP PBX designed for medium to large businesses. It offers a comprehensive suite of unified communication features, including voice, instant messaging, and audio conferencing, all integrated into a single on-premise solution.
🔧 Key Specifications
Telephony Interfaces
-
FXS Ports: 8 RJ11 ports for connecting analog phones, fax machines, or intercoms
-
FXO Ports: 8 RJ11 ports for connecting to PSTN lines
System Capacity
-
Users: Supports up to 1,500 SIP users
-
Concurrent Calls: Handles up to 200 concurrent calls (150 with SRTP encryption)
-
Audio Conferencing: Supports up to 9 audio meeting rooms with a total of 150 participants
Network & Connectivity
-
Ethernet Ports: 3 Gigabit auto-sensing RJ45 ports with integrated PoE+ and NAT router support
-
USB Ports: 2 × USB 3.0 ports
-
SD Card Slot: 1 SD card interface for storage and backups
Unified Communication Features
-
Wave App: Provides free access to voice and instant messaging services on desktop, web, Android, and iOS platforms
-
Built-in IM & Meetings: Offers integrated instant messaging, audio conferencing, and web meeting capabilities accessible from various devices
-
Zero Configuration: Facilitates automatic provisioning of Grandstream SIP endpoints for streamlined deployment
-
Remote Access: Supports UCM RemoteConnect service for secure and seamless remote connectivity
-
Third-Party Integration: Provides APIs for integration with CRM, PMS, and other business platforms
Security & Reliability
-
Security Measures: Implements secure boot processes, unique device certificates, and randomized default passwords to safeguard communications
-
NAT Traversal: Includes automated NAT firewall traversal services to ensure secure remote connections
-
High Availability: Supports Hot Standby High Availability and local dual deployment for enhanced system reliability
-
Codec Support: Utilizes the Full-Band Opus voice codec with jitter resilience up to 50% packet loss
-
Management: Compatible with Grandstream Device Management System (GDMS) for cloud-based setup, monitoring, and management
-
Operating System: Based on Asterisk* version 16 open-source telephony platform
Hardware Specifications
-
Processor: 6-core processor
-
Memory: 4 GB RAM
-
Storage: 128 GB Flash
Power Supply
-
Input: 100~240VAC, 50/60Hz
-
Output: DC 12V, 2A
Mounting Options
-
Wall mount and desktop placement
Physical Dimensions
-
Size: Approximately 9.84 x 11.81 x 3.15 inches (250 x 300 x 80 mm)
-
Weight: Approximately 7.57 lbs (3.43 kg)
