Grandstream UCM6300 Series IP PBX

Name: Cohesive Technologies
Brand: Cohesive Technologies
Rating: 4.8 (3606 reviews)

UCM6300 Series IP PBX

A powerful unified communication & collaboration solution for any organization, the UCM6300 series provides a high-end unified communications solution packed with an ecosystem of mobility, security, video and collaboration tools.

UCM6300 series available in four different models - UCM6301/UCM6302/UCM6304/UCM6308
Supports up to 3000 users and up to 450 concurrent calls
Built-in conferencing & meetings platform
Wave for Android, iOS, Chrome and Firefox browsers allows communication with all UCM6300 users & solutions

Apart from these, you can find manifold other smarter features and we at Cohesive Technologies give you the best options.

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Features & Benefits

Supports up to 3000 users and up to 450 concurrent calls
Zero configuration provisioning of Grandstream SIP endpoints
Built-in conferencing & meetings platform; supports desktop, Wave app, and SIP endpoints
Wave for Android, iOS, Chrome and Firefox browsers allows communication with all UCM6300 users & solutions
API available for third-party integrations, including CRM and PMS platforms
Advanced security protection with secure boot, unique certificate and random default password to protect calls and accounts
Three Gigabit auto-sensing RJ45 network ports with integrated PoE+ and support NAT router
Automated NAT firewall traversal service facilitates secure remote connections
Supports Full-Band Opus voice codec and H.264/H.263/ H.263+/H.265/VP8 video codec, jitter resilience up to 50% packet loss
Compatible with GDMS for cloud setup, management and monitoring
Based on Asterisk* version 16 open source telephony operating system

FAQ

Find answers to common questions about the Grandstream UCM6300 Series IP PBX — models, features, remote working, integrations, and how to buy in India.

What is the Grandstream UCM6300 Series and which models are available in India?

The Grandstream UCM6300 Series is an enterprise-grade IP PBX (unified communications system) available in four models in India — UCM6301, UCM6302, UCM6304, and UCM6308. It supports up to 3000 users and 450 concurrent calls, with built-in video conferencing, mobile collaboration via the Wave app, advanced security features, and cloud management through GDMS. Cohesive Technologies is the authorized National Distributor of the Grandstream UCM6300 Series in India, supplying to enterprises, SMBs, hotels, and call centres nationwide.

What is the difference between UCM6301, UCM6302, UCM6304 and UCM6308?

The four UCM6300 models differ in user capacity and FXO/FXS port count. The UCM6301 supports up to 500 users with 1 FXO and 1 FXS port — ideal for small offices. The UCM6302 handles up to 1000 users with 2 FXO/2 FXS ports. The UCM6304 scales to 2000 users with 4 FXO/4 FXS ports for mid-sized enterprises. The UCM6308, the flagship model, supports up to 3000 users and 450 concurrent calls with 8 FXO/8 FXS ports — the preferred choice for large enterprises, BPOs, and contact centres in India.

Does the Grandstream UCM6300 support remote working and mobile users?

Yes. The UCM6300 Series fully supports hybrid and remote work through the Grandstream Wave app, available on Android, iOS, Chrome, and Firefox. Remote employees can make and receive calls, join video conferences, and collaborate seamlessly from anywhere. The built-in automated NAT firewall traversal ensures secure remote connectivity without complex VPN configurations — making it a future-ready IP PBX solution for modern businesses across India.

Can the UCM6300 integrate with CRM and hotel PMS software?

Yes. The Grandstream UCM6300 Series includes an open API for seamless integration with popular CRM platforms such as Salesforce, Zoho CRM and HubSpot, as well as Property Management Systems (PMS) used in the hotel and hospitality industry. It is also fully compatible with Grandstream GDMS for centralised cloud provisioning, monitoring and multi-site management — making it the ideal IP PBX for enterprises, hotel chains, and IT resellers managing large deployments across India.

How can I buy the Grandstream UCM6300 Series in India and what support is provided?

You can purchase the Grandstream UCM6300 Series from Cohesive Technologies, the authorized National Distributor in India. We supply to enterprises, SMBs, hotels, educational institutions, government organisations, and channel partners across India. Our end-to-end support includes pre-sales consultation, product configuration, on-site installation, extended warranty, and dedicated technical support. Contact us at +91 120 4830000, WhatsApp us, or use the Get a Quote form on this page. Support is available Monday to Saturday, 10AM to 6PM IST.