On Premise IP PBX with 4x FXO ports, 4x FXS ports and supporting up to 2000 users
UCM6304
The UCM6300 series allows businesses to build powerful and scalable unified communication and collaboration solutions. This series of IP PBXs provide a platform that unifies all business communication on one centralized network, including voice, video calling, video conferencing, video surveillance, web meetings, data, analytics, mobility, facility access, intercoms and more.
Features • Supports up to 2000 users and up to 300 concurrent calls • Zero configuration provisioning of Grandstream SIP endpoints • Built-in conferencing & meetings platform; supports desktop, Wave app, and SIP endpoints • Wave for Android, iOS, Chrome and Firefox browsers allows communication with all UCM6300 users & solutions • 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 • Supports Full-Band Opus voice codec and H.264/H.263/ H.263+/H.265/VP8 video 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 
