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SIP Operation Manual V2.6
Product Features
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SIP (RFC 3261) compliant
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Supports 2 / 4 / 8 simultaneous FAX / Voice calls (port number differs between models)
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4 Ethernet switch ports with IP sharing functions
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Optional server enables small businesses to build up private VoIP network (SIP model)
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QoS support guarantees voice bandwidth in a busy network
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Supports IP TOS (Type Of Service)
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Internet gateway functions: DHCP server, NAT, Virtual Server, DMZ, IP/PORT/MAC filtering
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T.30 (G III) / Real Time T.38 / Secured T.38 Fax Relay
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Feasible for Fixed IP address or dynamic IP address network ( PPPoE / DHCP client, support DDNS)
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Configurable Hot Line feature
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Supports IP-to-PSTN / PSTN-to-IP applications
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Life-Line support (IP / power failure over relay)
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NAT traversal - STUN and UPnP (optional)
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Pass through NAT
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Call Detailed Records (CDR)
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Web-based firmware upgrade
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Caller ID Delivery
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Easy Configuration by IVR and Web-based GUI
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Greeting message
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Echo Cancellation: G.168 compliant
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Voice Activity Detection (VAD) & Comfort Noise Generation (CNG)
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Dialing: DTMF, PULSE (optional)
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Signaling Protocol: Loop Start
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Adaptive Jitter Buffer and Programmable Gain Control
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Internet Gateway Functions : DHCP server, NAT, Virtual Server, DMZ, IP/PORT/MAC filtering
CALL features (optional)
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Call hold
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Call waiting
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Call forward
- Unconditional (follow me)
- Busy forward
- No answer forward
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Call transfer