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Grandstream Network Switch UCM6308A

Weight 7.7 lbs
Dimensions 22 × 13 × 4 in
Brand Grandstream



The Grandstream UCM6308A Audio series allows businesses to build powerful and scalable unified communication and collaboration solutions. This series of IP PBXs provide 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 UCM6300 Audio Series 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. It supports UCM RemoteConnect 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. By offering a high-end unified communications and collaboration solution packed with a suite of mobility, security, instant messaging, voice conferencing and collaboration tools, the UCM6300 Audio series provides a powerful business communication platform for any organization.

Core Features:

  • 8 FXO
  • 8 FXS
  • 1500 Users
  • Audio Only
  • Zero configuration provisioning of Grandstream SIP endpoints
  • Built-in Instant Messaging (IM), Audio Conferencing & Web Meetings platform
    that supports access from computers, mobile devices, and 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
  • Based on Asterisk* version 16 open-source telephony operating system


SKU: UCM6308A Categories: , , ,
  • Analog Telephone FXS Ports: 8 RJ11 ports (All ports have lifeline capability in case of power outage)
  • PSTN Line FXO Ports: 8 RJ11 ports (All ports have lifeline capability in case of power outage)
  • Network Interfaces: Three self-adaptive Gigabit ports (switched, routed or dual mode) with PoE+
  • NAT Router: Yes (supports router mode and switch mode)
  • Peripheral Ports: 2*USB 3.0, 1*SD card interface


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