Product Description
Overview
The Grandstream UCM6300 Series is a unified communication and collaboration platform for on-premise deployments. It combines voice, video calling and conferencing, messaging, data, analytics, mobility and device management on a single appliance. The series supports centralized provisioning via GDMS, secure remote access using UCM RemoteConnect, and native desktop and mobile collaboration through the Wave app.
Key highlights
- Scalable models for 500 to 3000 users and up to 450 concurrent calls
- Built-in conferencing and meetings platform (desktop, Wave app, SIP endpoints)
- Advanced security with secure boot, unique device certificate and randomized default passwords
- Zero-touch provisioning for Grandstream endpoints
- API available for third-party integrations (CRM, PMS and more)
- High-availability support with Hot Standby
- Supports full-band Opus and H.265/H.264/VP8 video codecs, with jitter resilience up to 50% packet loss
Models and port summary
| Model | FXS (analog) | FXO (PSTN) | Network interfaces | USB / SD |
|---|---|---|---|---|
| UCM6301 | 1 RJ11 | 1 RJ11 | 3 × Gigabit RJ45 with PoE+ | 1 × USB 3.0, 1 × SD |
| UCM6302 | 2 RJ11 | 2 RJ11 | 3 × Gigabit RJ45 with PoE+ | 1 × USB 2.0, 1 × USB 3.0, 1 × SD |
| UCM6304 | 4 RJ11 | 4 RJ11 | 3 × Gigabit RJ45 with PoE+ | 2 × USB 3.0, 1 × SD |
| UCM6308 | 8 RJ11 | 8 RJ11 | 3 × Gigabit RJ45 with PoE+ | 2 × USB 3.0, 1 × SD |
Performance & capacity
- UCM6301 - up to 500 users; up to 75 concurrent calls (G.711); up to 50 concurrent SRTP calls
- UCM6302 - up to 1,000 users; up to 150 concurrent calls (G.711); up to 100 concurrent SRTP calls
- UCM6304 - up to 2,000 users; up to 300 concurrent calls (G.711); up to 200 concurrent SRTP calls
- UCM6308 - up to 3,000 users; up to 450 concurrent calls (G.711); up to 300 concurrent SRTP calls
Conferencing and Wave app
- Built-in meetings and conferencing platform supporting desktop, web and mobile Wave app
- Unlimited meeting rooms with model-dependent simultaneous public rooms and participant limits (see datasheet)
- Video support up to 9 video feeds per meeting room
Protocol, codecs and QoS
- SIP, RTP/RTCP, TCP/UDP, IAX and common internet telephony standards
- Wide audio codec support including Opus, G.711, G.722, G.729 and T.38 for fax
- Video codecs H.265, H.264, H.263 and VP8
- Layer 2 and Layer 3 QoS support (802.1Q, 802.1p, ToS, DiffServ, MPLS)
Security and provisioning
- Secure boot, unique certificate per device, randomized default password
- Media encryption with TLS and SRTP, HTTPS and SSH
- Provisioning via GDMS, TR-069, TFTP, FTP, HTTP(S), mass provisioning with AES-encrypted XML
- UCM RemoteConnect for secure, automated NAT traversal and remote access
Call features (high level)
- Call park, transfer, forward, pickup, hold, wait, voicemail and voicemail-to-email
- IVR auto attendants with up to 5 layers, multi-language prompts
- Call queuing, ACD with skill-based routing, ring groups and paging
- Call recording, fax-to-email and advanced call reporting
Physical & power
- Power input: universal 100-240VAC; UCM6301 uses DC 12V 1.5A; larger models use 2 × DC 12V
- Dimensions:
- UCM6301: 270 × 175 × 36 mm
- UCM6302: 485 × 187.2 × 46.2 mm
- UCM6304: 485 × 187.2 × 46.2 mm
- UCM6308: 485 × 187.2 × 46.2 mm
- Weight (unit):
- UCM6301: ~715 g
- UCM6302: ~725 g
- UCM6304: ~2,490 g
- UCM6308: ~2,550 g
Ideal for
- Enterprises and branch offices
- Hotels and hospitality when paired with PMS via API
- Contact centers and shared service desks
- Service providers and managed VoIP deployments
Click here for Product Datasheet
Technical details summarized from the Grandstream UCM6300 series datasheet.