Grandstream UCM6116 IP PBX Application System - 16 FXO & 2 FXS ports


Item is pre-owned and in excellent working condition. Tested for power and did a factory reset as well. Please see photos for details and condition as well as what is included. Ships safely and securely.



The Grandstream UCM6116 is a rack-mountable, 16 FXO and 2 FXS port IP PBX appliance designed for SMBs, supporting up to 500 users and 60 concurrent calls. It runs on a 1GHz processor with 512MB RAM and 4GB Flash, offering advanced, license-free voice, video, and data features including 6-way conferencing.


Key Features and Specifications


Ports: 16 FXO ports (PSTN) and 2 FXS ports (analog phone).


Capacity: Up to 500 users, 60 concurrent calls, and 32 conference participants.


Networking: 1 Gigabit Ethernet Port (10/100/1000 Mbps) with PoE.


Video: Supports H.264, H.263, and H263+ video codecs.


Features: Built-in 5-layer IVR, call recording, and zero-configuration provisioning for Grandstream endpoints.


Security: Advanced security protection with SRTP, TLS, and HTTPS.


Management: Web-based GUI with auto-discovery.


The UCM6116 operates without recurring licensing fees, making it a cost-effective, all-in-one unified communications solution.