VoIP |
- Support 16 Concurrent Call
- Support SIP 2.0 (RFC3261)
- Redundancy sip server capable
- Hotline
- Call Forward,Call transfer,Call hold,Call waiting
- 3-way Talking,Pickup,Join call,Redial,Unredial
- Call Park,vport,click to dial
- DND(Do Not Disturb)
- Black List,Limit List
- E.164 dial plan and customized dial rules
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FXO |
- WAN/LAN: Support Bridge
- Polarity inverse detection
- Busyout
- Direct inward dialing
- Automatic attendant (2nd stage dialing)
- Ring timing setting
- Volume control
- DTMF out-pulsing timing setting
- Caller ID detection (FSK, DTMF, before ring and after ring)
- Busy tone detection
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Codec/FAX/RTP |
- Web ,telnet and keypad management
- G.711ALaw, G.711ULaw, G.729A, G.723.1r63, G.723.1r53, GSM
- T.38 fax relay, T.30 fax transparent
- Echo cancellation
- Dynamic jitter buffer management
- Static jitter buffer
- DTMF relay (RFC 2833, SIP/INFO, inband)
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Voice QoS |
- IEEE 802.1p tag
- DiffServ code point (TOS) bits
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Call control |
- Blind/Explicit transfer
- Call forward on busy/on no answer/variable
- Call waiting
- PSTN failover
- Hunt group
- Call number transformation (Add, delete, replace)
- Calling and called number based routing
- Three-way calling
- Call progress tone (Configurable)
- Color ring back tone
- Music on hold
- Do not disturb
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Security |
- IP access list (IP table)
- SIP/RTP/TELNET/HTTP/TFTP port assignment
- Web-utility access privilege (Admin and user)
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Networking |
- DHCP
- DNS/DDNS
- NAT traversal (STUN)
- PPPoE
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System management |
- TR069-based management (Include TR069, TR104, and TR106)
- Web-based management interface (Local and remote access)
- Firmware upgrade
- Log management (8 levels)
- Various debugging and call trace
- Remote management with console and telnet
- Configuration files import and export
- System status monitoring and statistics
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