
Grandstream
Grandstream UCM6304A 1000-User Unified Communication Audio PBX
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Empower Your Business with a Scalable, Audio-Centric Communication Hub
The Grandstream UCM6304A is a powerful IP PBX appliance designed to provide a centralized solution for all your business communication needs. This audio-focused system is engineered for businesses that require a robust, scalable platform for voice, instant messaging (IM), audio conferencing, and web meetings. It supports up to 1000 users and can handle 150 concurrent calls, making it an ideal choice for small to medium-sized businesses looking to build a powerful and unified communication environment. The UCM6304A seamlessly integrates with the Grandstream Device Management System (GDMS) for cloud-based setup, management, and monitoring.
Unified Communications & Collaboration
Unify all your communication channels into a single platform. The UCM6304A includes a built-in Instant Messaging (IM), audio conferencing, and web meetings platform. With the free Wave App, your team can easily communicate and collaborate from their desktops, mobile devices (Android/iOS), and IP phones. This system also provides an API for third-party integrations, including CRM and PMS platforms, to streamline your workflows.
Robust Security and Reliability
Security is paramount in business communications. The UCM6304A is equipped with advanced security protection, including a secure boot, unique certificate, and a random default password to protect your calls and accounts. An automated NAT firewall traversal service helps to facilitate secure remote connections. For enhanced reliability, it supports Hot Standby High Availability.
Flexible Connectivity and Integration
The UCM6304A offers a versatile range of connectivity options. It features 4 FXS ports for analog telephone devices and 4 FXO ports for PSTN lines. Additionally, it includes three auto-sensing Gigabit RJ45 network ports with integrated PoE+ and support for a NAT router. The inclusion of two USB 3.0 ports and an SD card interface provides further flexibility for peripheral devices and storage.
| Technical Specifications | |
|---|---|
| Users | 1000 |
| Concurrent Calls | 150 |
| Concurrent SRTP Calls | 120 |
| Audio Conference | Up to 7 meeting rooms and 120 parties |
| Analog FXS Ports | 4 x RJ11 |
| PSTN Line FXO Ports | 4 x RJ11 |
| Network Interfaces | Three Gigabit auto-sensing RJ45 ports with integrated PoE+ |
| NAT Router | Yes (supports router mode and switch mode) |
| Peripheral Ports | 2 x USB 3.0, 1 x SD Card Interface |
| LCD Display | 320x240 color LCD with touch screen |
| Voice Codecs | Full-Band Opus voice codec, Jitter resilience up to 50% packet loss |
| Telephony Operating System | Based on Asterisk* version 16 |
| Auto Attendant | Customizable, up to 5 layers of IVR |
| Mounting | Wall Mount & Desktop |
| Dimensions (H x W x D) | 1.42 in x 10.63 in x 6.89 in |
| Weight | 1.71 lb |
Manufacturer Technical Data
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Shipping & Returns
- R120 Delivery Fee
- 30 Day Returns
- 24 Hour Live Chat Support
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Frequently Asked Questions
Answers to frequently asked questions
Does NexGen Computing conduct regular security audits?
Yes, we regularly conduct security audits and vulnerability assessments to identify and address potential security weaknesses, maintaining a high level of security and compliance with industry standards.
How can I stay informed about policy changes?
We reserve the right to update or modify our policies at any time. Changes will be posted on our website, and your continued use of our products and services constitutes acceptance of any changes.
Where can I find more information or ask additional questions?
For more information or assistance, please visit our website at www.nexgencomputing.co.za or contact us at support@nexgencomputing.co.za.
How does NexGen Computing handle shipping and delivery?
Orders are processed promptly, with delivery details provided at checkout. Tracking information will be emailed once your order ships.
What is the return and refund policy?
Refunds are typically issued for defective or incorrect items within 14 days of receipt. For detailed information, please refer to our Refund Policy.
Is my payment information secure?
Yes, all payments made on our site are processed securely on our domain using industry-standard security measures. Sensitive data, such as credit card numbers, are processed by PCI-compliant payment processors like Yoco, Paystack, and Peach Payments.





