IP PBX system Grandstream UCM6302

The Grandstream UCM6302 is an IP PBX system from the UCM6300 series that unifies business communication on a single platform. Designed for up to 1000 users, the UCM6302 integrates voice, video calling, video conferencing, web meetings, data and analytics, mobility features and interoperability with IP phones and Grandstream GVC devices. It supports hybrid deployments when paired with the UCM6300 ecosystem and provides cloud setup and management via GDMS and an API for third-party integration.

Advantages

The UCM6302 combines on-premise control with remote access capabilities through the Wave app and UCM RemoteConnect service, enabling secure remote connections and a centralized management approach. Its compact dimensions and wide AC input (100–240V) allow flexible installation. Built-in web meeting and video conferencing features let employees connect from desktops, mobile devices and compatible IP endpoints without additional servers.

Suitable for

• Small to medium enterprises requiring unified communications for up to 1000 users
• Offices needing integrated voice, video conferencing and web meetings
• Organisations that require on-premise PBX control with cloud-enabled remote access
• Installations where compact size and flexible AC input are important

Key specifications

• Model: Grandstream UCM6302 (MPN: UCM6302)
• User capacity: up to 1000 users
• Supported protocols: SIP, TCP/UDP/IP and related VoIP standards
• Dimensions: 270 mm x 175 mm x 36 mm
• AC input voltage: 100–240 V
• Storage: compatible with SD memory cards
• Management: GDMS cloud setup and API for third-party integration

How to use

Install the UCM6302 in a network rack or on a stable surface, connect power (100–240 V) and network interfaces, then access the web-based management interface to configure SIP trunks, user extensions and security settings. Enable the built-in web meeting and video conferencing functions as needed and integrate mobile and desktop endpoints via the Wave app or compatible IP phones. For remote users, configure UCM RemoteConnect to provide secure NAT traversal and remote access.

Recommendations

Use the UCM6302 with the UCM6300 ecosystem (Wave app and UCM RemoteConnect) for secure remote collaboration, and regularly back up configuration via GDMS or the API. Ensure firmware is kept up to date and follow network best practices (VLANs, QoS, and firewall rules) to maintain call quality and security.