Grandstream UCM6304A Audio IP PBX | 4 FXO Ports, 4 FXS Ports | Desktop/Wall-Mount

Audio Only
1000 Users, 4 FXO, 4 FXS Based on Asterisk* version 16 open-source telephony operating system
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
Compatible with GDMS for cloud setup, management, and monitoring