Main Applications
- Remote SIP access gateway for IP-PBX
- IP based wide area PBX for enterprise, government branches and schools
- VoIP Long Distance application for IP phone supermarkets and enterprises
Carrier primary and secondary line service
- Small and home offices
Key Features
- 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 codec
- G.168 echo cancellation
- DTMF transportation: transparent mode, RFC 2833 mode, SIP/INFO mode
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Call Features
- 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
Supported Protocols
- 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
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