REX500 IP-PBX

General:
REX500 IP-PBX provides versatile solutions containing voice/video call, voice message broadcast, Fax, call recording, mobile extensions to fulfil an enterprise with 500 employees. The REX500 can connect IMS of operator, and provide multiple models with different combinations of FXO and FXS ports. The high availability featuring primary-standby, dual-redundant Gigabit-Ethernet port and dual AC/DC power supplies allows the REX500 to be applied in many scenarios which are highly sensitive to reliability.

Features:
– Connected to IMS Networks via ONU
– Peer-to-peer communication between Redstone IP-PBX and SIP terminals across NAT without the need for static IP addresses, DDNS or port mapping on the access router
– Headquarters and branch-office communications through SIP-based tie trunks
– Mobile extensions keep you connected anywhere, at any time on any network
– XML/HTTP-based RESTful API for third-party applications
Remote access via the Redstone Cloud
* Management with the Redstone or third-party Remote Device Management Systems (TR-069, SNMP)
– Dual-redundant Gigabit-Ethernet ports
– Dual AC/DC power supplies (optional)
– Class I lightning protection
* The Redstone Cloud is based on Amazon.

Specifications:
– SIP extensions: Max. 400 SIP extensions
– IP trunks: Max. 496 IP trunks
– Interface cards :24FXS, 24FXO, 16FXS+8FXO, 12FXS+12FXO
– Concurrent calls: Max. 120 concurrent calls