Grandstream UCM6300A Audio IP PBX | 0 FXO Ports, 0 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

• Supports up to 1500 users and up to 200 concurrent calls
• 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