Grandstream UCM6304 - IP-PBX Phone System

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The Grandstream UCM6304 IP-PBX is Voice & Video capable phone system designed for small business offices, start-up business and remote offices.

Small Business Phone system with BIG BUSINESS FEATURES - all in a powerful IP-PBX phone system!

Rackmount and IT telephony businesses solutions for home office / small office (SOHO) or medium sized branch offices needing site to site and remote worker capabilities - expandable and upgradeable as needs grow!

Short Specifications:
Communication Functions Audio/Voice + Video
Analog Line Ports (PSTN/FXO) 4
VoIP SIP Trunk Line Capacity 150
Extension Capacity 2,500 IP Extensions + 4 Analog (FXS)
Concurrent Call Capacity 350
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Grandstream UCM6304 IP-PBX Overview

The Grandstream UCM6304 IP PBX is a 4 FXO, 4 FXS port IP PBX that brings robust functionality and enhanced functionalities to any small business. The UCM6304 offers business the ability to have a centralized device for voice, video calling, video conferencing, surveillance, data tools, analytics, mobility options, facility access, intercom and more.

The Grandstream UCM6304 is an easy to manage device that does not require licensing fees and can support up to 2,500 users and up to 300 concurrent calls. It features advanced technology including three Gigabit auto-sensing RJ45 network ports with integrated PoE+ and support for a NAT router. This enterprise-grade IP PBX can be integrated with third-party CRMs and PMS allowing for custom integrations.

When paired with Grandstream Zero-Configuration IP phones, you can simplify and unify your office telecommunications with remote office extensions and mobile device app (Free GrandStream App for Android and iPhone) to stay connected when out of the office.

Main IP-PBX GrandStream UCM6304 Features

  • Supports up to 2,500 users and 300 concurrent calls.
  • Auto Discovery and Zero Configuration of GrandStream SIP endpoints.
  • Integrated 4 PSTN trunk FXO ports, 4 analog telephone FXS ports with lifeline capability and up to 200 SIP trunks.
  • Gigabyte network ports with Integrates PoE, USB, SD card.
  • Supports up to a 5-level IVR (Interactive Voice Response).
  • Up to 4 Video Conference rooms for up to 60 parties with 1080p video.
  • Up to 200 Voice/Audio Conference parties.
  • Built-in call recordings server; recordings accessible via web user interface.
  • Built-in Call Detail Records (CDR) for tracking phone usage by line, date, etc.
  • Supports multi-language auto-attendant and call queue to efficiently handle incoming calls.
  • Strongest possible security protection using SRTP, TLS and HTTPS encryption.
  • Supports GrandStream Integrated IP Phones + any SIP video endpoint that uses the H.264 & Opus codecs.

Grandstream UCM6304 PBX Highlights

Call Center - Includes Reporting Statistics, multiple call queue methods, automated call back, Agent Management, Agent monitoring: whisper / listen / call barge.

Live Call Recording.

Fax monitoring / internal fax to email solutions and extension user webGUI faxing capabilities.

Video & Audio Conference Room system built in - with scheduling and automatic attendee email reminders, conference room codes for admins and attendees, conference room live recording.

Supports VoIP (Voice-Over-IP) SIP Trunks and Analog Telephone lines for expansion.

Automated regular back-ups to storage devices or offsite server.

Manufacturer Grandstream
Model UCM6304
Analog / FXO Line Capacity 4
SIP Trunk Capacity 150
Concurrent Call Capacity 300
IP Extension / User Capacity 2.500
FXO Analog Extension Capacity 4
Gigabit Network Ports 1 WAN, 1 LAN, 1 HA + PoE Capable
Memory / Storage Expansion USB + SD Card
IVR / Auto Admins Up to 5 levels
Multi-Company Capable Yes
Call Recording Server Yes
CRD (Call Detail Records) Yes
Multi-Lanugage Support Yes
Supports SIP Video Yes, with SIP video capable end point devices
Security Yes, SRTP, TLS and HTTPS encyrption
Call Queue / Call Center Functions Yes

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