• Models with 4 or 8 FXS/FXO ports
• BINA or FSK Standard Caller ID
• WEB configuration or operating system shell access
• Codecs: G.729, G.723, G.726 and G.711
• Fax and Modem support (T.38 and G.711)
• IP and VLAN packet tagging
• Secure access over HTTPS or SSH

Management, configuration and monitoring

• CPU and memory usage monitoring
• Operating system access interface (shell) via remote SSHv2 access
• Graphical interface accessible by HTTPSRemote software spdate
• Signaling debugging tool
• Static IP address configuration
• Dynamic IP address configuration via DHCP or PPPoE
• NTP time clock support
• Remote logging through Syslog

FXS and FXO analog interfaces

• Impedance 600 Ohms
• Configurable cadence bell signal for distinctive ring
• Ringing capability for up to 300m per phone port
• Caller ID by BINA (DTMF) or FSK (Bellcore) Standard
• Up to 8 interfaces accessible on RJ11 connectors via an external adapter

Interoperability and voice quality

• SIP over UDP
• SIP PRACK support
• Adaptive jitter buffer
• Voice Activity Detection (VAD)
• Comfort Noise Generation (CNG)
• Silence suppression
• IP Precedence and TOS or DSCP and ECN packet marking
• Bandwidth setting
• Insertion and removal of VLAN TAGs
• NAT support

Call control and management

• Call routing by origin number
• Routing by destination number
• Handling origin and destination numbers
• Blocking of collect calls
• Call forwarding and transfer
• Supported local survival for up to 8 SIP users

Audio codecs

• G.711 law A @ 64 kbps
• G.711 law μ @ 64 kbps
• G.723.1 @ 6.3 kbps or @ 5.3 kbps
• G.726 @ 16, 24, 32, or 40 kbps
• G.729A, G729B, and G.729AB @ 8 kbps

Fax and modem support

• T.38
• Fax and Modem Pass-Through (G.711)

DTMF Support

• Within the band using G.711
• Out of band following RFC2833
• Using the SIP INFO Method

Safety

• HTTPS and SSHv2
• Firewall

Hardware Specifications

• Setup Guide - DOWNLOAD

• Contact
• Knowledge base
• Repair shipment