- 48 Concurrent Calls<br/>- SIP/MGCP protocols<br/>- 500 routing and number manipulation rules<br/>- Fax over IP using T.38 & G.711 pass-through<br/>- Hot-swappable FXS/FXO interface card<br/>- Dual redundant gigabit Ethernet ports<br/>- Dual AC/DC power supplies available<br/>- PSTN failover<br/>- Auto provisioning<br/>- Remote access via the Redstone Cloud*<br/>- Management with Redstone or third-party Remote Device<br/>- Management Systems (TR-069 SNMP)<br/>- Interoperability with popular SIP servers such as Cisco<br/>- CallManager/CUCM Broadsoft Microsoft Skype for Business<br/>- (Lync) and Asterisk/Elastix<br/>- Class I lightning protection
