Grandstream UCM6308A

  • Supports up to 1500 users and up to 200 concurrent calls
  • Zero configuration provisioning of Grandstream SIP endpoints
  • 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
  • Based on Asterisk* version 16 open source telephony operating system
  • Three Gigabit auto-sensing RJ45 network ports with integrated PoE+ and support NAT router
  • Automated NAT firewall traversal service facilitates secure remote connections
  • API available for third-party integrations, including CRM and PMS platforms


Audio IP PBX in Pakistan – Grandstream UCM6308A:

The Grandstream UCM6308A is a powerful audio-unified communication & collaboration solution for any organization; it allows businesses to build powerful and scalable unified communication and collaboration solutions. This IP PBX 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 UCM6308A supports up to 1500 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.


Analog Telephone FXS Ports

8 RJ11 ports

Peripheral Ports

2*USB 3.0, 1*SD card interface

LCD Display

128×32 dot matrix graphic LCD with DOWN and OK buttons

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
2x DC 12V Power Jack
Input: 100~240VAC 50/60Hz
● Output: DC 12V, 2A
LED Indicators Power 1/2, FXS, FXO, LAN, WAN, Heartbeat
Dimension (W x D x H) 485mm(L) x 187.2mm(W) x 46.2mm(H)
Media Encryption