Grandstream UCM6308 Unified Communication IP PBX

Unified Communication & Collaboration IP PBX
Supports up to 1500 users
Up to 200 concurrent calls
8 FXS ports for analog phones/fax
8 FXO ports for PSTN lines (lifeline supported)
Built-in Instant Messaging, audio conferencing & web meetings
Free Grandstream Wave App (desktop, web, Android & iOS)
UCM RemoteConnect for secure remote access
Three Gigabit Ethernet ports with integrated PoE+
Built-in NAT router (router & switch modes)
USB 3.0 ports & SD card interface
Full API for CRM, PMS & third-party integrations
Advanced security: Secure boot, TLS, SRTP, HTTPS, 802.1X
Supports Opus full-band codec
Compatible with GDMS cloud management
Based on Asterisk v16
Rack-mountable & desktop installation

Features & Compatibility

The Grandstream UCM6308 is a powerful on-premise Unified Communication & Collaboration IP PBX designed for medium to large enterprises that require high capacity, advanced voice features, and enterprise-grade security. As a reliable Grandstream UCM6308 supplier in Dubai, UAE, we provide genuine Grandstream IP PBX systems for corporate offices, hotels, hospitals, campuses, and multi-branch organizations.

Part of the Grandstream UCM6300 Series, the UCM6308 supports up to 1500 users and up to 200 concurrent calls, delivering exceptional performance for demanding VoIP environments. It includes 8 FXS ports for analog phones or fax machines and 8 FXO ports for PSTN connectivity, all with lifeline support to ensure basic telephony during power outages.

The UCM6308 features a built-in Unified Communications platform that includes instant messaging, audio conferencing, and web meetings—with no per-user or per-feature licensing fees. Using the free Grandstream Wave App, users can communicate and collaborate from desktop, web, Android, and iOS devices, enabling seamless remote and hybrid work.

To simplify remote deployments, the UCM6308 supports UCM RemoteConnect, Grandstream’s secure NAT traversal service that allows remote users and devices to connect without complex VPN configurations. Enterprise-level security features such as secure boot, unique certificates, random default passwords, TLS/SRTP encryption, HTTPS, and 802.1X authentication protect calls, accounts, and data.

The system is equipped with three Gigabit Ethernet ports with PoE+, built-in NAT router functionality, USB 3.0 ports, SD card support, and a full REST API for CRM, PMS, and third-party integrations. It also integrates with the Grandstream Device Management System (GDMS) for centralized cloud-based management.

If you are looking for a Grandstream UCM6308 IP PBX supplier in Dubai , this model offers enterprise scalability, robust security, and advanced collaboration features in a cost-effective on-premise solution.