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The Grandstream UCM6308A IP PBX is a powerful unified communication solution designed for modern businesses that require scalability, flexibility, and high-performance communication tools. Built on an advanced open-source telephony platform, this system integrates voice, instant messaging, audio conferencing, web meetings, and mobility features into a single device.
Supporting up to 1500 users and 200 concurrent calls, the UCM6308A is ideal for medium to large enterprises. It includes a built-in collaboration platform and the Wave App, enabling seamless communication across desktops, mobile devices, IP phones, and SIP endpoints.
With zero-configuration provisioning, advanced security features, and cloud connectivity via RemoteConnect and GDMS, businesses can enjoy secure remote access and centralized management. The system eliminates recurring costs with no monthly per-seat fees, making it a cost-effective long-term communication solution.
| Feature | Details |
|---|---|
| Model | UCM6308A |
| Users Capacity | Up to 1500 Users |
| Concurrent Calls | Up to 200 Calls |
| Communication Features | Voice, IM, Audio/Video Conferencing |
| Mobile App | Wave App (iOS, Android, Web) |
| Ports | 3 x Gigabit RJ45 (PoE+) |
| Security | Secure Boot, Certificates, Encryption |
| Cloud Support | UCM RemoteConnect & GDMS |
| Integration | API for CRM & Third-party Apps |
| Deployment | On-Premise + Cloud Hybrid |
| Codec Support | Full-Band Opus |
| OS Platform | Asterisk 16 |
The Grandstream UCM6308A is a unified communication IP PBX system used by businesses to manage voice calls, video/audio conferencing, instant messaging, and team collaboration in one platform.
It supports up to 1500 users and can handle 200 concurrent calls, making it suitable for medium to large organizations.
No, there are no monthly per-seat fees. It is a one-time investment with all features included.
Yes, with UCM RemoteConnect, users can securely access the system remotely from anywhere.
The Wave App is a free application that allows users to make calls, send messages, and join meetings using mobile devices, desktops, or web browsers.
Yes, it includes built-in audio conferencing and web meeting capabilities, allowing teams to collaborate easily.
Yes, it offers advanced security features such as secure boot, encryption, unique certificates, and random default passwords to protect communications.
Yes, it provides an API for third-party integrations, including CRM and PMS platforms.
It is ideal for corporate offices, call centers, educational institutions, and enterprises needing a scalable communication solution.
Yes, it supports SIP endpoints, including IP phones, softphones, and other VoIP devices, with zero-configuration provisioning for Grandstream devices.
The UCM6308A supports High Availability (Hot Standby), ensuring continuous operation with minimal downtime.
Yes, it is compatible with GDMS, allowing cloud-based setup, monitoring, and management.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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