Grandstream UCM Series

Series Models	UCM6202, UCM6204, UCM6208, UCM6301, UCM6302, UCM6304, UCM6308, UCM6510
Platform	Embedded Linux Appliance; no external PC required
Max Users (varies)	UCM620x: up to 500; UCM630x: up to 1500; UCM6510: up to 2000
Max Concurrent Calls	Up to 80 (UCM6204) / 100 (UCM6301) / 200 (UCM6510)
FXO Ports	2 (6202) to 8 (6208/6308); PSTN trunk integration
FXS Ports	2 (6202/6204) to 8 (6208); analog phone/fax support
Network	Dual Gigabit RJ45 with PoE+ (UCM630x); VLAN, QoS, DHCP server
Voice Codecs	G.711, G.722, G.723, G.726, G.729A/B, iLBC, Opus
Video Capable	Yes – HD video calls & conferencing (UCM630x series enhanced)
Conference Bridge	Up to 60‑party audio conference (80 on UCM630x)
Auto Attendant (IVR)	Multi‑level IVR with up to 5 layers & custom voice prompts
Call Queue	Unlimited queues; advanced routing, announcement, agent login
Voicemail	Per‑user VM with email notification & web playback
Unified Features	Presence, IM, CRM integration, Wave app support, call recording
Zero‑Config	Auto‑discovery & provisioning of Grandstream IP phones
Security	SRTP, TLS, HTTPS, fail2ban, IP blacklist, secure boot
Management	Intuitive Web GUI, SSH, SNMP, GDMS cloud management
Mounting	Desktop or 1U rack‑mount ears (included)
Power	12V DC adapter; PoE+ on some models
Warranty	1 Year Manufacturer Warranty

Award‑Winning Feature Set

Recognised globally for innovation, reliability, and value. Every UCM packs enterprise‑grade features — IVR, call queues, conferencing, CRM integration — without hidden costs.

No Licensing Fees or Hidden Costs

Unlike proprietary PBXs, the UCM is a one‑time purchase. No per‑user license, no recurring fees. Scale as you grow without breaking the bank.

Easy‑to‑Use Web GUI

Configuring a phone system has never been simpler. The responsive, browser‑based interface lets you manage users, trunks, queues, and settings in minutes — no CLI expertise needed.

Auto Discovery & Zero Config

Grandstream IP phones are automatically detected and provisioned. Simply plug in a phone and it’s ready — extensions, BLF keys, and all settings pushed instantly.

Advanced Security

SRTP, TLS, HTTPS, VPN support, fail2ban, and IP blacklist ensure your communications are protected. Secure boot prevents tampering from the ground up.

Unified Communication Platform

Voice, video, chat, presence, and conferencing converge on one box. Integrate with mobile apps (Wave) and cloud services (IPVideoTalk) for a seamless hybrid experience.

Scalable for Small to Enterprise Use

Start with a UCM6202 for a 20‑person office, and grow to a UCM6510 managing 2000 users across multiple locations. The same intuitive interface scales with you.

Ideal for Offices, Call Centers & Businesses

Advanced call queues, real‑time dashboards, wallboard support, and CRM integration make it a perfect fit for call centers, while the rich telephony features suit any professional office.

Grandstream UCM Series is the heart of thousands of successful business communication deployments. It's a series of on‑premise IP PBX appliances that deliver enterprise‑grade telephony without the enterprise‑grade price tag. With no licensing fees, an intuitive web interface, and seamless integration with Grandstream endpoints, the UCM is the most accessible and powerful PBX platform on the market today.

Choose Your Model: The UCM6202 and UCM6204 are ideal for small to medium businesses, supporting up to 500 users and featuring built‑in FXO/FXS ports for analog line integration. The UCM630x series adds Wi‑Fi, PoE+, video conferencing enhancements, and remote Wave app connectivity for hybrid workers. At the top, the UCM6510 handles up to 2000 users, making it perfect for large enterprises and multi‑site organisations.

Zero‑Touch Simplicity: The hallmark of the UCM Series is effortless setup. Connect Grandstream phones to the network, and the UCM auto‑discovers them. With a few clicks, extensions are created, BLF keys configured, and the phones are ready to use. This eliminates the need for expensive system integrators and reduces deployment time from weeks to hours.

Complete Unified Communication: Every UCM includes a full suite of communication tools: multi‑level auto attendants, unlimited call queues with advanced routing, voicemail‑to‑email, conference bridges, call recording, and detailed CDR reports. The built‑in presence and IM server lets users see colleagues’ availability and chat instantly. Integration with Grandstream Wave softphone extends these features to smartphones and tablets, so remote workers stay connected as if they were in the office.

Security & Reliability: Built on a hardened Linux platform, UCM appliances feature secure boot, encrypted communication (TLS/SRTP), a firewall, and advanced DDoS protection. Dual Gigabit ports with VLAN support ensure the network stays performant. Optional cloud backup and GDMS management add layers of resilience.

Why UCM Series? It’s the only PBX you’ll ever need — fully featured, infinitely scalable, and free of per‑user licenses. Backed by Grandstream’s global reputation and Electro Creators’ local support across Maharashtra, Madhya Pradesh, and Chhattisgarh. Contact us for a personalised demo and quote.