Product Description
The Grandstream UCM6302 IP PBX is a powerful unified communications platform designed to simplify business communication by integrating voice, video, conferencing, messaging, mobility, and collaboration into a single on-premises solution. Built for medium to large businesses, the Grandstream UCM6302 supports up to 1,000 SIP users and 150 concurrent calls, making it an ideal choice for organizations seeking a scalable and reliable IP telephony system. It provides enterprise-grade communication features without recurring licensing fees, helping businesses reduce operational costs while improving productivity.
Powered by the Asterisk telephony platform, the Grandstream UCM6302 includes advanced PBX features such as IVR (Auto Attendant), intelligent call routing, voicemail, call recording, call queues, ring groups, extension management, and audio/video conferencing. The system supports 2 FXS ports and 2 FXO ports, allowing seamless integration with analog phones and PSTN lines while supporting modern SIP-based communication. It also offers zero-configuration provisioning for Grandstream IP phones and compatibility with third-party SIP devices.
The Wave application enables employees to communicate securely from Windows, macOS, Android, iOS, or a web browser, making remote and hybrid work effortless. With advanced security features including secure boot, encrypted communications, automatic NAT traversal, and cloud management through GDMS, the UCM6302 ensures secure, reliable, and centrally managed communications. Whether deployed in corporate offices, educational institutions, healthcare facilities, hotels, or multi-branch organizations, the Grandstream UCM6302 IP PBX delivers enterprise-class communication, flexibility, and performance.
Key Features
- Supports up to 1,000 SIP users
- Handles up to 150 concurrent calls
- 2 FXS ports for analog phones
- 2 FXO ports for PSTN connectivity
- Built-in IVR (Auto Attendant) and intelligent call routing
- Voicemail, call recording, ring groups, and call queues
- Audio and video conferencing capabilities
- Free Wave desktop, web, Android, and iOS application
- Zero-configuration provisioning for Grandstream IP phones
- Compatible with third-party SIP phones and SIP trunks
- API support for CRM, PMS, and third-party integrations
- Three Gigabit Ethernet ports with integrated NAT router
- Advanced security with secure boot and encrypted communications
- Automatic NAT firewall traversal for secure remote connectivity
- Cloud provisioning, monitoring, and management through GDMS
- Based on the Asterisk open-source telephony platform
- Ideal for SMBs, enterprises, hotels, healthcare, educational institutions, and multi-branch offices
- No recurring licensing fees for core PBX features









