Support SIP V1 (RFC2543), V2 (RFC3261)
Provide 1xWAN, 1xLAN
Perfect sound quality: VAD(Voice Activity Detection), CNG(Comfortable Noise Generator), LEC(Line Echo Canceller), Packet Loss Compensation, Adaptive Jitter Buffer
Support IP/TCP/UDP/RTP/RTCP, ICMP/ARP/RARP/SNTP
Support TFTP Client/DHCP Client/ PPPoE Client, Static IP
Support Telnet/HTTP Server, DNS Client
Support Codec G.711, G.723, G.726, G.729A and G.729B
Router function
PoE (Power Over Ethernet) – optional
Call Hold, Call Waiting, Caller ID, 3-way Conference, DND
Call forward (all forward, busy forward and no answer forward.
In-Band DTMF, Out-of Band DTMF, SIP Info
Registrar Server (three SIP Account)
Speaker Phone, Speed dial, Phone book, Flash and Volume Adjustment function
HTTP 1.1 basic/digest authentication for Web setup
MD5 for SIP authentication (RFC2069/ RFC 2617)
QoS: ToS field
NAT Traversal : STUN
Web Browser, Telnet, Keypad Configuration
TFTP, Telnet, HTTP firmware upgrade |