Grandstream UCM6304A

  • Supports up to 1,000 users and up to 120 concurrent calls
  • Zero configuration provisioning of Grandstream SIP endpoints
  • Free Wave App allows easy voice & Instant Messaging (IM) communications using desktops, Web, and Android/ iOS devices
  • API available for third-party integrations, including CRM and PMS platforms
  • Advanced security protection with secure boot, unique certificate, and random default password to protect calls and accounts
  • Three Gigabit auto-sensing RJ45 network ports with integrated PoE+ and support NAT router
  • Automated NAT firewall traversal service facilitates secure remote connections
  • Enhanced reliability with support for Hot Standby High Availability and local dual deployment
  • Supports Full-Band Opus voice codec, jitter resilience up to 50% packet loss
  • Compatible with GDMS for cloud setup, management and monitoring


Audio VoIP PBX for Business in Pakistan Grandstream UCM6304A:

The Grandstream UCM6304A Audio IP PBX voice system allows businesses to build powerful and scalable unified communication and collaboration solutions. This Grandstream IP PBX (Private Branch Exchange) provides a platform that unifies fundamental business communications needs, including voice, instant messaging (IM), voice meetings, audio web meetings, data, analytics, mobility, facility access, intercoms, and more. The Grandstream UCM6304A Audio IP PBX voice system supports up to 1000 users and includes a built-in instant messaging (IM), voice/web conferencing platform, and the free Wave App that allows users to communicate and collaborate from desktops, mobile devices, IP phones, and other SIP endpoints. It supports UCM Remote Connect cloud service for remote users to offer a best-in-class hybrid platform that combines the control of an on-premise IP PBX with the remote access and system manageability of a cloud solution.


Analog Telephone FXS Ports

4 RJ11 ports

Peripheral Ports

2*USB 3.0, 1*SD card interface

LCD Display

320×240 color LCD with touch screen for Shortcut Keys and Scroll Bar

Reset Switch

Yes, long press for factory reset and short press for reboot
QoS Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS
Telephony Operating System Based on Asterisk version 16
DTMF Methods In-band audio, RFC4733, and SIP INFO
Universal Power Supply
1x DC 12V Power Jack
Input: 100~240VAC
● 50/60Hz;Output: DC 12V, 2A
Dimension (W x D x H) 270mm(L) x 175mm(W) x 36mm(H)
Media Encryption