Grandstream UCM6300A IP PBX Phone

Grandstream, UCM6300A, IP PBX Phone,

Supports up to 250 users and up to 50 simultaneous calls
Provide zero configuration for Grandstream SIP endpoints.
Supports instant messaging (IM), voice conferencing and web conferencing from PCs, mobile devices, and SIP endpoints.
The free Wave app makes it easy to exchange voicemail and IM using desktop computers, the web and Android / iOS.
API is available for third-party integration, including CRM and PMS platforms.
Advanced security with secure boot, special certificate and default password to protect calls and accounts.
Three Gigabit RJ45 network ports with automatic sensor and PoE + and NAT router support
Automatic NAT firewall crossing facilitates remote connections.
Increases reliability with support for high frequency and high availability for two deployments.
Up to 50% support for Opus Full range audio codec, anti-vibration, packet loss.
Compatible with GDMS for cloud-based configuration, management and monitoring.

UCM6300 Audio Series