Grandstream UCM6304 IP PBX

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Enterprise-Grade Voice System with Grandstream UCM6304 IP PBX

Powerful Unified Communications Using Grandstream UCM6304 IP PBX

The Grandstream UCM6304 IP PBX is an advanced unified communication solution designed for medium to large enterprises seeking a secure, scalable, and feature-rich voice infrastructure. With support for up to 2000 users and 300 concurrent calls, this IP PBX system is built to handle high-volume environments while offering superior flexibility and control.

Outfitted with 4 FXO and 4 FXS ports, the Grandstream UCM6304 IP PBX enables seamless integration with both traditional analog lines and modern SIP-based networks. Whether you’re transitioning from legacy equipment or building a new IP telephony system, this hybrid setup ensures uninterrupted operations and reduced infrastructure costs.

The system features 3 Gigabit Ethernet ports that support advanced networking, high-speed data routing, and secure VLAN segregation. Designed with enterprise-class encryption protocols like TLS and SRTP, the Grandstream UCM6304 IP PBX protects all voice traffic and user data from potential cyber threats, making it ideal for mission-critical business use.

With no licensing fees or recurring subscriptions, the Grandstream UCM6304 IP PBX comes fully loaded with features like IVR, auto-attendant, call queues, voicemail-to-email, conferencing, fax-to-email, call monitoring, and SIP trunking — all included right out of the box. This provides unbeatable value without compromising on functionality.

Deployment is quick and easy thanks to the intuitive web GUI and Grandstream’s zero-configuration provisioning. IT admins can effortlessly manage users, monitor performance, and deploy firmware updates across multiple locations. Integration with the Grandstream Wave mobile and desktop apps enables seamless remote work and mobility, turning any device into an office extension.

In large and growing business hubs like Delhi, Mumbai, Bangalore, Hyderabad, Lucknow, and Ahmedabad, the Grandstream UCM6304 IP PBX is widely adopted for its dependable performance and robust scalability. Whether you operate in education, finance, government, hospitality, or retail, this IP PBX is designed to meet your evolving communication demands.

The Grandstream UCM6304 IP PBX supports connection to Grandstream’s ecosystem of IP phones, video phones, paging systems, intercoms, and conferencing solutions. It’s also compatible with third-party SIP devices, giving you full flexibility in creating a customized and future-ready communication setup.

Advanced security tools like firewall rules, failover options, secure remote access, and dynamic defense against SIP attacks are built into the Grandstream UCM6304 IP PBX. These features ensure network resilience, call privacy, and 24/7 system integrity — critical for today’s enterprise IT environments.

This device also supports API integration with CRM and ERP systems, LDAP directories, and cloud-based tools, allowing businesses to sync communication workflows with backend operations. With support for unified messaging and voice/video collaboration, the Grandstream UCM6304 IP PBX fosters team productivity across locations.

Reliable, intelligent, and secure — the Grandstream UCM6304 IP PBX is more than just a phone system. It’s a unified communication powerhouse that empowers your team, reduces operational costs, and future-proofs your business against growing communication demands.

Choose the Grandstream UCM6304 IP PBX for your next-generation voice infrastructure — and experience the perfect blend of performance, flexibility, and peace of mind.