• MMGCP 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
• PABX functions

• Session Initiated Protocol (SIP) 
• Media Gateway Control Protocol (MGCP) 
• Real Time Transport Protocol (RTP) 
  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