Grandstream UCM6510 VoIP PBX for up to 2000 Users

VoIP PBX for up to 2000 Users

Unified Communications PBX

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The Grandstream UCM6510 VoIP PBX appliance is designed to bring leading edge voice, video, data, and mobility features to enterprises, small and medium businesses, retail and residential environments in an easy-to-manage fashion. This enterprise-grade on premise IP PBX supports E1, T1 and J1 networks and offers scalability by supporting up to 2000 users. The UCM6510 sports a 1GHz quad-core Cortex A9 processor, 1GB RAM and 32GB flash. This secure and reliable IP PBX delivers unified communication features at an unprecedented price point without any licensing fees, costs-perfeature, or recurring fees.

  • Supports up to 2000 users, 50 SIP trunk accounts, up to 200 concurrent calls
  • Zero configuration provisioning of Grandstream SIP endpoints
  • Strongest-possible security protection using SRTP, TLS and HTTPS encryption
  • Gigabit network ports with integrated PoE+; Integrated NAT router
  • Supports up to a 5-level IVR (Interactive Voice Response)
  • Built-in call recording server; recordings accessed via web user interface
  • Supports call queue for efficient call volume management
  • Built-in Call Detail Records (CDR) for tracking phone usage by line, date, etc
  • Multi-language auto-attendant to efficiently handle incoming calls
  • Integrated LDAP and XML phonebooks, flexible dial plan
  • Supports any SIP video endpoint that using the H.264, H.263 and H.263+ codecs
  • Supports voicemail and fax forwarding to email

The Grandstream UCM6510 is an enterprise-grade, on-premises IP PBX appliance that delivers powerful unified communications — voice, video, data, and mobility — in one secure platform. Ideal for small/medium businesses, large enterprises, retail operations or multi-site environments, the UCM6510 offers high performance, flexibility, and extensive features without recurring license fees.

Benefits / Use Cases

  • Cost-efficient: no per-feature licensing fees, free firmware updates — great total cost of ownership 
  • Scalable: handles growth in both user count and call volume
  • Versatile: connects with both modern SIP/IP devices and traditional analog/fax via FXO/FXS ports
  • Secure: built-in modern security protocols and hardware encryption to protect communications
  • Redundancy & reliability: lifeline functionality ensures basic analog service during power outages; robust build and enterprise-grade components

Key Features

  • Supports up to 2,000 users and 200 registered SIP trunks
  • Handles up to 200 concurrent calls
  • Conference support: up to 64 attendees per conference bridge
  • Hardware: 1 GHz quad-core Cortex-A9 CPU, 1 GB DDR3 RAM, 32 GB Flash storage
  • Flexible interfaces: • 1 integrated T1/E1/J1 interface • 2 FXO PSTN trunk ports • 2 FXS analog telephone/fax ports with lifeline capability (continues basic service in event of power loss)
  • Dual Gigabit network ports (LAN/WAN) with PoE support, plus USB and SD interfaces
  • Integrated NAT router for simplified network setup
  • Security: SRTP, TLS, HTTPS, hardware encryption acceleration and other protections
  • Specifications

System Capacity                Up to 2,000 registered users/extensions 
SIP Trunks / Concurrent Calls       Up to 200 SIP trunk accounts; up to 200 concurrent calls 
Conferencing      Up to 64 participants per conference; up to 8 conference bridges 
Hardware            1 GHz quad-core Cortex-A9 CPU; 1 GB DDR3 RAM; 32 GB Flash 
Interfaces            - 1 × T1/E1/J1 interface, - 2 × FXO (PSTN) ports, - 2 × FXS (telephone/fax) ports with lifeline capability 
Networking / Connectivity            Dual Gigabit Ethernet ports; PoE; USB; SD card; Integrated NAT routing 
Voice & Video Codecs     Major voice codecs: G.711 (A-law/µ-law), G.722 (HD), G.723.1, G.726, G.729A/B, iLBC, GSM, ADPCM, etc.
Video codecs: H.264, H.263, H.263+ 
Security & Protocols       SRTP, TLS, HTTPS, plus hardware encryption; supports zero-config endpoint provisioning; Auto-Discovery; LDAP / XML phonebooks; etc. 
Power & Physical              Input: 100-240VAC, 50/60Hz; Output: 12VDC @1.5A 
Dimensions: 440 mm × 185 mm × 44 mm 
Weight: approx. 2.165 kg (unit) / 3.012 kg (with package) 
Environment      Operating Temperature: 0-45 °C; humidity 10-90% non-condensing 
Storage Temperature: -10-60 °C; humidity same range 
Management & Administration  Web-UI based configuration; auto-provisioning / zero config for Grandstream endpoints; Call detail records (CDR), call queues, IVR up to 5 levels, multiple languages, voicemail/fax to email forwarding; call recording, etc. 
Compliance & Certifications         CE, FCC Class B, RoHS, etc.