Grandstream UCM6301 IP PBX – Up to 500 Users, 75 Concurrent Calls

Scalable Unified Communications IP PBX for Up to 500 Users — Grandstream UCM6301

The Grandstream UCM6301 is a central business communications platform that brings together calling, extension management, meetings, the Wave app and remote work, with capacity for up to 500 users and 75 concurrent calls.

Why Choose the UCM6301?

The UCM6301 provides an on-premise UCM system without the need to build several separate systems, with call management, recording, IVR, call queues, collaboration via Wave and integration with external systems.

What Does It Offer?

• Up to 500 SIP users.


• Up to 75 concurrent G.711 calls.


• Up to 50 concurrent SRTP calls.


• 1 FXS port and 1 FXO port: to connect analog devices and PSTN lines directly.


• Meetings: up to 4 concurrent public rooms with a maximum of 75 participants in total.


• Wave: for calls, messaging and meetings from desktop, web and mobile.


• Advanced call management: IVR, call queues, ring groups, recording, voicemail, routing and CDR records.


• 3 Gigabit Ethernet ports: with PoE+ and NAT router support.


• GDMS and UCM RemoteConnect: for management and remote access.


• API: for integration with CRM, PMS and business platforms.


• Enterprise-grade security: Secure Boot, unique certificate and SRTP/TLS/HTTPS.


• Asterisk 16 based.

Key Technical Specifications

• Model: UCM6301


• Type: Unified Communication IP PBX


• Users: up to 500


• Concurrent calls: up to 75


• Concurrent SRTP: up to 50


• FXS: 1


• FXO: 1


• Meetings: up to 4 rooms / 75 participants


• Network: 3 × Gigabit Ethernet with PoE+


• Management: GDMS + Web UI


• Remote access: Wave + UCM RemoteConnect

Best Suited For

Companies and organizations that need voice, video, meetings and extension management from a single platform.

Upgrade your business communications with a flexible central platform — order the Grandstream UCM6301 from Catcher.