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- Grandstream UCM6304 2500 Users Enterprise Gra...
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Item #:
77237607
Grandstream UCM6304 2500 Users Enterprise Grade IP PBX Set, Gray
94% of respondents would recommend this to a friend
Item #:
77237607
€ 722
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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In stock
Imported from USA store
QTY:
Only 1 item left in stock.
Order now and get it around Tuesday, September 29
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The Grandstream UCM6304 is an easy to manage IP PBX that supports up to 2000 users and 300 concurrent calls, without requiring licensing fees.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High User Capacity
Accommodates up to 2500 users, making it ideal for large enterprises that require scalable communication solutions without sacrificing performance or functionality.
Enterprise Features
Packed with advanced VoIP features, the UCM6304 enhances business communications with options like call routing, voicemail, and conferencing, streamlining operations across teams.
Cost-Effective Solution
Offers a powerful IP PBX solution at a competitive price, reducing overall communication costs while delivering exceptional quality and reliability for business users.
Product Details
- Supports up to 2000 users and 300 concurrent calls without licensing fees
- Features three Gigabit auto-sensing RJ45 network ports with integrated PoE+ and NAT router support
- Integration with third-party CRMs and PMS
- Managed through Grandstream Device Management System (GDMS) for cloud-based setup and easy monitoring
- Allows for up to 30 video conferences and up to 120 voice conferences
- California Proposition 65 warning: contains chemicals known to the State of California to cause cancer and birth defects
| Pbx phone system type | IP PBX Phone System |
| Brand | Grandstream |
| Model | UCM6304 |
| Height | 3.5 in (8.9 cm) |
| Weight | 7.5 lb (3.4 kg) |
| Has written warranty | No |
| Piece count | 1 |
| Has nrtl listing certification | N |
| Color | Black |
Who Should Buy?
-
Large Enterprises
Ideal for large businesses needing robust telephony solutions for up to 2500 users with complex routing features.
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Call Centers
Provides comprehensive features designed for high call volumes, including call monitoring and analytics to optimize operations.
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Remote Teams
Supports remote work with advanced connectivity options, allowing seamless communication across diverse locations.
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Small Businesses
Small firms may find the capacity and features excessive, preferring simpler solutions that fit their scale.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Does the Grandstream UCM6304 require licensing fees for its users?
Answer: No, the Grandstream UCM6304 does not require licensing fees. -
Question:
How many concurrent calls can the UCM6304 support?
Answer: The UCM6304 can support up to 300 concurrent calls. -
Question:
Can the UCM6304 integrate with third-party CRMs and PMS?
Answer: Yes, the UCM6304 can be integrated with third-party CRMs and PMS.
Grandstream All Phones Editorial Review
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Pros
- Supports up to 2500 users
- High-quality voice calls
- Advanced features for businesses
- User-friendly interface
- Excellent customer support
Cons
- Initial setup may require assistance.
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“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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Hazel
Verified buyer
“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
Verified buyer
“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
AC
Adele
Verified buyer
“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.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
€ 722
Order now and get it around Tuesday, September 29
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 1 item left in stock.
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Supports up to 2000 users
- Up to 300 concurrent calls
- No licensing fees required
- Advanced technology with Gigabit auto-sensing RJ45 network ports
- Integration with third-party CRMs and PMS
- Cloud-based management through Grandstream Device Management System (GDMS)
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.