Grandstream UCM6208 IP PBX – Up to 800 Users, 100 Concurrent Calls, 8 FXO Ports

Business IP PBX with 8 Built-In PSTN Lines — Grandstream UCM6208

The Grandstream UCM6208 is an on-premise IP PBX for organizations that need to connect a large number of users with SIP trunks and PSTN lines, with capacity for up to 800 users and 100 concurrent calls.

Why Choose the UCM6208?

The UCM6208 stands out with 8 direct FXO ports for landlines and 2 FXS ports for analog devices, making it well suited to organizations that still rely on multiple PSTN lines alongside IP phones.

Key Features

• Up to 800 SIP users.


• Up to 100 concurrent calls.


• Up to 200 SIP trunk accounts.


• 8 FXO ports: connect eight PSTN lines.


• 2 FXS ports with Lifeline: for analog phones or fax machines.


• Up to 6 conference rooms and 32 concurrent participants.


• Up to 5-level IVR: with call queues and multilingual auto attendant.


• Call recording and CDR: to track calls and usage.


• SIP video support: with H.264 and H.263/H.263+.


• 2 Gigabit LAN/WAN ports: with PoE+ and NAT router.


• USB and SD card: for storage and backup depending on system configuration.


• SRTP, TLS and HTTPS security.

Key Technical Specifications

• Model: UCM6208


• Users: up to 800


• Concurrent Calls: up to 100


• SIP Trunks: up to 200


• FXO: 8


• FXS: 2 with Lifeline


• Conferencing: up to 6 rooms / 32 participants


• Network: Gigabit LAN + Gigabit WAN with PoE+


• Storage: USB + SD Card

Ideal For

Hotels, companies, branches and organizations that need an IP PBX with a large number of PSTN landlines built into the same device.

Combine IP and landlines in one PBX — order the Grandstream UCM6208 from Catcher.