Grandstream
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Grandstream UCM6304 2500 Users Enterprise Grade IP PBX Set, Gray
Grandstream UCM6304 2500 Users Enterprise Grade IP PBX Set, Gray
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Grandstream UCM6304 2500 Users Enterprise Grade IP PBX Set, Gray
Grandstream UCM6304 2500 Users Enterprise Grade IP PBX Set, Gray
The Grandstream UCM6304 is an easy to manage IP PBX that supports up to 2000 users and 300 concurrent calls, without requiring licensing fees.
Grandstream UCM6304 2500 Users Enterprise Grade IP PBX Set, Gray
Item #: 77237607

Grandstream UCM6304 2500 Users Enterprise Grade IP PBX Set, Gray

94% of respondents would recommend this to a friend

Item #: 77237607

LKR 258845

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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Only 1 item left in stock.
Order now and get it around Thursday, September 24
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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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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

Shop for the best Grandstream UCM6304 IP PBX Set at Ubuy Sri Lanka. Enterprise-grade, gray color, supports 2500 users. Fast and reliable shipping.
  • 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 typeIP PBX Phone System
BrandGrandstream
ModelUCM6304
Height3.5 in (8.9 cm)
Weight7.5 lb (3.4 kg)
Has written warrantyNo
Piece count1
Has nrtl listing certificationN
ColorBlack

Who Should Buy?

Suitable For
  • Large Enterprises

    Ideal for large businesses needing robust telephony solutions for up to 2500 users with complex routing features.

  • Call Centers

    Provides comprehensive features designed for high call volumes, including call monitoring and analytics to optimize operations.

  • Remote Teams

    Supports remote work with advanced connectivity options, allowing seamless communication across diverse locations.

Not Suitable For
  • 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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Customer Reviews & Ratings

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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

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4.2/5 9300 + reviews
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JG
Jazz
Verified buyer

“Easy to use and always helpful and sorts any issues I've had past and present”

1 September 2026 · via Trustpilot
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Emmanuel
Verified buyer

“I always receive support when I engage customer service. Overall my experience with UBUY has been top notch. Keep up the good work.”

31 August 2026 · via Trustpilot
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fnd
Verified buyer

“The delivery was fast and the product came undamaged and authentic.”

29 August 2026 · via Trustpilot
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“Ubuy is extremely efficient and to order online is an easy process. The verity of products to buy is really unlimited! My order was urgent and I got it on time. The products are great! Thank you Ubuy!”

25 August 2026 · via Trustpilot
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Hengo
Verified buyer

“Fast, convenient and cheap. Great store!”

27 August 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.

LKR 258845

Order now and get it around Thursday, September 24

QTY:

Only 1 item left in stock.
Secured transactionsecured transaction

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

  • 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)

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