• PSTN Line FXO Ports - Eight (8)
• Analog Telephone FXS Ports - Two (2), both with lifeline capability
• Concurrent Calls - Up to 60
• Conference Bridges - Up to 6, with 32 simultaneous PSTN or IP participants
• SIP Trunk Accounts - Up to 50
• Network Interfaces - Dual 10M/100M/1000M RJ45 Ethernet ports
• Peripheral Ports - USB, SD (up to 32GB)
• Quality of Service - Layer 3 QoS

A standalone Asterisk Open Source IP PBX appliance. Voice-over-Packet Capabilities include LEC with NLP Packetized Voice Protocol Unit, 128ms-tail-length carrier grade Line Echo Cancellation, Dynamic Jitter Buffer, and Modem detection and auto-switch to G.711. Multi-language support. Advanced security features built in firewall with SRTP/TLS encryption, 802.1X network security and HTTPS Web UI. No licensing or recurring fees. All hardware, software features, and functions included. Free lifetime firmware updates. Two (2) year manufacturer warranty. Device can be powered via PoE.