Grandstream UCM6301 IP PBX

The Grandstream UCM6301 IP PBX is a reliable, all-in-one unified communications platform designed for small to medium-sized businesses seeking to streamline their communications infrastructure. Supporting up to 500 users and 75 concurrent calls, the UCM6301 combines voice, video calling, conferencing, surveillance integration, and data on a single secure network. It features built-in video and web meetings, instant messaging (IM), and seamless remote connectivity via Wave app and UCM RemoteConnect cloud service. With robust interoperability, security, and simplified management through GDMS, the UCM6301 delivers enterprise-grade performance in a compact design—ideal for startups, small branches, or remote offices.

Product Features

Unified communications in a compact form
Consolidate all essential communication tools—voice, video, conferencing, IM, analytics, intercom, and access control—into a single centralized platform that supports up to 500 users.

Built-in video conferencing and collaboration
Host video meetings with support for up to 2 video rooms and 12 attendees at 1080p. Collaborate using the Wave app from desktops, mobiles, or Grandstream SIP devices.

Cloud-connected, secure, and scalable
Pair with the UCM6300 ecosystem including Wave for mobile/web and UCM RemoteConnect for secure NAT traversal and encrypted remote access. Manage remotely with GDMS and integrate third-party platforms using the full-featured API.

PoE-enabled networking and SIP provisioning
Three Gigabit ports with PoE+ support, plus built-in router mode and ZeroConfig provisioning for Grandstream SIP endpoints allow simplified deployment and device management.

Advanced call handling and PBX features
Includes advanced call center features like ACD, multiple queues, IVRs (up to 5 layers), ring groups, DISA, DND, paging, and full auto-attendant functionality.

Superior voice and video quality
Supports Opus, G.711, G.722, G.729, H.264, VP8, and other industry codecs, with jitter resilience of up to 50% packet loss, adaptive echo cancellation, and comfort noise generation.

Compact and durable design
Desktop or wall-mountable, this compact unit is built for efficient use of space in branch offices, small IT rooms, or edge deployments.

Product Specifications

• Users supported: Up to 500
• Concurrent calls: Up to 75 (G.711), 50 (SRTP)
• Analog ports:
  • 1 × FXO (PSTN)
  • 1 × FXS (analog phone), both with lifeline support
• Video conferencing:
  • 2 rooms, up to 12 participants (1080p)
  • Codec support: H.264, H.263, H.265, VP8
• Voice conferencing: Up to 75 participants
• Voice codecs: Opus, G.711, G.722, G.729A/B, G.723.1, G.726, iLBC, GSM
• Provisioning: ZeroConfig auto-provisioning for Grandstream endpoints
• Ports:
  • 3 × Gigabit RJ45 (PoE+, switch/router/dual mode)
  • 1 × USB 3.0
  • 1 × SD card interface
• LCD Display: 320×240 color touch screen
• Cloud & remote tools:
  • GDMS (cloud device management)
  • UCM RemoteConnect (secure NAT traversal)
  • Wave mobile/web app for remote meetings & messaging
• Call features: Call park, call transfer, waiting, IVR, voicemail, call queue, paging/intercom, music on hold, DISA, BLF, voicemail/fax to email, time conditions, speed dial, blacklist/whitelist, dial by name, emergency call, etc.
• PBX OS: Asterisk version 16
• API: Open API for third-party CRM/PMS/platform integration
• QoS: Layer 2 (802.1Q, 802.1p), Layer 3 (ToS, DiffServ, MPLS)
• Security: SRTP, TLS, HTTPS, SSH, secure boot, 802.1X
• Power: 100–240V AC input, 12V DC output (1.5A)
• Dimensions: 270mm × 175mm × 36mm
• Weight: 715g (unit), 1211g (packaged)
• Mounting: Wall mount or desktop