Grandstream / UCM6300A / IPPBX 250 Users 50 Concurrent Call Gateway

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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
Compatible with GDMS for cloud setup, management, and monitoring
Based on Asterisk* version 16 open source telephony operating system