Sell VOIP/PSTN Dual Phone

VOIP/PSTN Dual Phone You May Also Be Interested In: dual phone fxo port noise generator
Support SIP V1 (RFC2543) , V2 (RFC3261)
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.
Provided 1 x WAN, 1 x LAN. 1 x FXO port
Support T.38 Protocol
Build-in Router function or Switch function.
VAD(Voice Activity Detection) , CNG(Comfortable Noise Generator)
LEC(Line Echo Canceller) , Packet Loss Compensation
Adaptive Jitter Buffer
Call Hold, Call Waiting, Call Forward, Caller ID, 3-way Conference functions.
DTMF : In-Band / RFC2833 / SIP Info.
Registrar Server (Up to three SIP Accounts) , Outbound Proxy
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
Web Browser, Console/Telnet, Keypad Configuration
TFTP, Telnet, HTTP firmware upgrade.
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