• MGCP or SIP access gateways 
• SIP-PSTN analog gateway 
• Routing (based on called number or other criteria) 
• Radius based CDR for accounting 
• STUN client for NAT transversal 
• Flexible interface for analog phones, fax, traditional PBX with analog trunks. 
  Redundant power supply option 
• Hot swappable modules 
• Fax tone detection and codec bypass (T.30) and fax relay (T.38) function 
• G.711, G.723.1, G.729A, iLBC, GSM codec 
• G.168 echo cancellation 
• DTMF transportation: transparent mode, RFC 2833 mode, SIP/INFO mode
  

• Session Initiated Protocol (SIP) 
• Media Gateway Control Protocol (MGCP) 
• Real Time Transport Protocol(RTP/RTCP) 
• TFTP for remote software upgrade 
• HTTP for system and interface configuration and monitoring 
• SNMP v.1, v.2, v.3 
• Telnet for remote support 
• DHCP for dynamic IP address allocation 
• DTMF 
• STUN Client for NAT/firewall traverse

• Caller ID
• Message waiting indication 
• Call waiting 
• Call forwarding 
• Caller id on call waiting 
• Call transfer (on busy, no answer, all) 
• Special purpose calling codes 
• Speed dial 
• Redials

- Brochure
- Datasheet