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Grandstream UCM6304 IP PBX | 4 FXO Ports, 4 FXS Ports | Desktop/Rack-Mount
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Grandstream UCM6304 IP PBX | 4 FXO Ports, 4 FXS Ports | Desktop/Rack-Mount
Grandstream UCM6304 is an innovative hybrid IP PBX for small and medium-sized businesses.
Grandstream UCM6304 IP PBX | 4 FXO Ports, 4 FXS Ports | Desktop/Rack-Mount
Item #: 77237617

Grandstream UCM6304 IP PBX | 4 FXO Ports, 4 FXS Ports | Desktop/Rack-Mount

89% of respondents would recommend this to a friend

Item #: 77237617

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Price Details

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Grandstream UCM6304 is an innovative hybrid IP PBX for small and medium-sized businesses.
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What Stands Out

Versatile Connectivity
Equipped with 4 FXO and 4 FXS ports, the UCM6304 ensures seamless integration with existing telecom infrastructure, making it ideal for small to medium-sized businesses looking to enhance communication efficiency.
Flexible Deployment
Designed for both desktop and rack-mount configurations, this IP PBX offers flexibility in setup, catering to diverse workspace environments and ensuring optimal space utilization without sacrificing performance.
Comprehensive Features
Packed with advanced telephony features such as call routing, voicemail, and conferencing, the UCM6304 significantly improves team collaboration and customer service, providing exceptional value compared to conventional phone systems.

Product Details

Shop the latest Grandstream Networks UCM6304 IP PBX on Ubuy Tonga. Find the best deals and prices on Ubuy for IP PBX systems. Order now and enjoy fast shipping!
  • Grandstream Networks UCM6304 IP PBX for SMB
  • Innovative hybrid IP PBX for small and medium-sized businesses
  • Reliable system resources for unified communications
  • Supports up to 5000 users and 400 simultaneous calls
  • Multifunctional high-tech solution for voice, video, facsimile, data, and video surveillance
  • Meets customer needs for unified communications
Product Dimensions (L x W x H)3.94 x 3.94 x 3.94 inches (10 x 10 x 10 cm)
Item Weight1.1 pounds (500 grams)
Item model numberUCM6304
Date First AvailableJune 18, 2022
ManufacturerGrandstream
Country of OriginThis item will be imported from US

Who Should Buy?

Suitable For
  • Small Businesses

    Ideal for small businesses requiring efficient communication solutions with a blend of FXO and FXS ports.

  • Remote Work Teams

    Supports remote team collaborations through powerful call management and unified communications features.

  • Cost-Conscious Users

    Perfect for budget-minded organizations seeking a robust and affordable VoIP communication system without compromising quality.

Not Suitable For
  • Large Enterprises

    May not meet the extensive scalability requirements of larger organizations needing more than four FXO/FXS ports.

Product Description

Grandstream UCM6304 IP PBX | 4 FXO Ports, 4 FXS Ports | Desktop/Rack-Mount

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What are the main features of the Grandstream UCM6304 IP PBX?

    Answer: The Grandstream UCM6304 IP PBX is designed with robust features including 4 FXO ports for connecting traditional phone lines and 4 FXS ports for analog phones. It supports up to 500 users, offering essential functionalities like call routing, voicemail, and conferencing. This device also includes advanced security features to protect communications. Its desktop and rack-mount options add flexibility to your setup, making it suitable for various environments such as small to medium-sized businesses.
  • Question: How does the Grandstream UCM6304 improve communication for businesses?

    Answer: The Grandstream UCM6304 enhances business communication by integrating various telephony features into one system. It facilitates seamless call management, enabling functions like call transfer, hold, and conferencing. This PBX supports VoIP technology, allowing users to make and receive calls over the internet, which can lead to reduced operational costs. For example, businesses can connect remote employees, enabling collaboration from anywhere.
  • Question: Is the Grandstream UCM6304 easy to set up and configure?

    Answer: Yes, the Grandstream UCM6304 is designed for straightforward setup and configuration. It comes with a user-friendly web interface that guides users through the initial setup process. Detailed documentation and support resources are available, making it accessible even for those with limited technical expertise. For instance, small business owners can get their phone system up and running without needing extensive IT knowledge.
  • Question: What types of businesses can benefit from the Grandstream UCM6304?

    Answer: The Grandstream UCM6304 is ideal for small to medium-sized businesses that require reliable communication solutions. Whether you run a retail shop, consultancy, or a service-based company, this PBX can support your telecommunication needs. With its robust feature set, it accommodates the demands of varied users, ensuring efficient interaction between teams and clients.
  • Question: What security features are included with the Grandstream UCM6304?

    Answer: The Grandstream UCM6304 includes various security features to protect your communications. It offers TLS and SRTP encryption for calls, safeguarding against eavesdropping and unauthorized access. The device also supports network redundancy and secure login protocols, ensuring that your business communications remain confidential and secure. This is invaluable in sectors that handle sensitive information, reinforcing trust with clients.
  • Question: Can I integrate the Grandstream UCM6304 with existing systems?

    Answer: Yes, the Grandstream UCM6304 is designed for integration with existing systems. It supports SIP standards, which means it can work with a wide variety of IP phones and communication platforms. This allows businesses to enhance their current infrastructure without a complete overhaul. For example, companies can retain their existing analog phones and connect them directly through the FXS ports.
  • Question: What are FXO and FXS ports, and how do they function in the UCM6304?

    Answer: FXO (Foreign Exchange Office) and FXS (Foreign Exchange Subscriber) ports serve distinct functions in the Grandstream UCM6304. FXO ports connect to external phone lines, allowing outgoing and incoming calls from traditional phone services. Conversely, FXS ports connect directly to analog telephones, enabling them to make and receive calls through the PBX system. This dual setup provides businesses with flexibility in their telephony options.
  • Question: Does the Grandstream UCM6304 support VoIP services?

    Answer: Absolutely, the Grandstream UCM6304 is built to support VoIP services, allowing users to make and receive calls over the internet instead of traditional phone lines. This support opens up opportunities for advanced features like call forwarding, voicemail-to-email, and more robust conferencing capabilities. Businesses can significantly reduce their communication costs while enjoying a wide range of functionalities.
  • Question: What kind of support is available for the Grandstream UCM6304?

    Answer: Grandstream provides various support options for the UCM6304, including detailed user manuals, online resources, and community forums. For more complex issues, customers can reach out to technical support teams for direct assistance. By leveraging these resources, users can optimize their PBX system's functionality and troubleshoot any potential issues effectively, ensuring smooth operations.
  • Question: Where can I buy Grandstream UCM6304 IP PBX in Tonga?

    Answer: You can purchase the Grandstream UCM6304 IP PBX with 4 FXO and 4 FXS ports through Ubuy in Tonga. Ubuy offers a user-friendly platform for acquiring this advanced telephone system, with various purchasing options available to suit your needs. Their support helps facilitate a smooth purchasing process, ensuring you get your communication needs met efficiently.

Grandstream PBX Phones & Systems UCM6304 Editorial Review

The Grandstream UCM6304 IP PBX is an advanced communication solution featuring 4 FXO ports and 4 FXS ports, perfect for both desktop and rack-mount setups. Its compact dimensions of 3.94 x 3.94 x 3.94 inches ensure it fits seamlessly in various environments. Users appreciate the device's robust performance and reliability, making it a favored choice for small to medium-sized businesses. The UCM6304 model stands out with its ease of installation, supporting a smooth transition to Voice over IP (VoIP) systems. Additionally, its lightweight design at 1.1 pounds makes it a convenient option for IT setups.

Customer Reviews & Ratings

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Pros

  • Compact size for easy placement
  • Robust performance for communication needs
  • Supports both desktop and rack mounting
  • Reliable with excellent user reviews
  • Multiple FXO/FXS ports for versatility

Cons

  • Might require setup knowledge for optimal usage

Platform Trust & Buyer Confidence

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4.2/5 9477 reviews
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Jasmin
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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
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Opaleye
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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Adele
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“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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Order now and get it around Monday, September 28

QTY:

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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Innovative hybrid IP PBX
  • Ideal for small and medium-sized businesses
  • Supports up to 5000 users
  • Up to 400 simultaneous calls
  • Multifunctional high-tech solution
  • Meets customer needs for unified communications

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.