User manual

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Product Features
● SIP (RFC 3261) compliant
● Optional server enables small businesses to build up private VoIP network (SIP model)
● QoS support guarantees voice bandwidth in a busy network
● Supports IP TOS (Type Of Service)
● T.30 (G III) / Real Time T.38 / Secured T.38 Fax Relay
● Feasible for Fixed IP address or dynamic IP address network ( PPPoE / DHCP client, support
DDNS)
● Configurable Hot Line feature
● Supports IP-to-PSTN / PSTN-to-IP applications
● NAT traversal - STUN and UPnP (optional)
● Pass through NAT
● Call Detailed Records (CDR)
● Web-based firmware upgrade
● Caller ID Delivery
● Easy Configuration by IVR and Web-based GUI
● Greeting message
● Echo Cancellation: G.168 compliant
● Voice Activity Detection (VAD) & Comfort Noise Generation (CNG)
● Dialing: DTMF, PULSE (optional)
● Signaling Protocol: Loop Start
● Adaptive Jitter Buffer and Programmable Gain Control
CALL features (optional)
● Call hold
● Call waiting
● Call forward
- Unconditional (follow me)
- Busy forward
- No answer forward
● Call transfer