SPECIFICATION

Network Features

SIP v1(RFC2543), v2(RFC3261)

Registrar Server: 3 SIP user accounts

Power over Ethernet optional

Outbound Proxy mode

Peer-to-peer SIP link mode

TFTP/DHCP/PPPoE Client

Telnet/HTTP Server

DNS Client

NAT/DHCP Server

QoS

Voice Features

G.711, G.723.1/iLBC, G.726, G.729AB and GSM

VAD, CNG, AEC

Packet Loss Compensation

Adaptive Jitter Buffer 

Telephony Features

Call Hold

Call Waiting

Call Transfer

Call Forward

Caller ID

Call List

Redial and Flash

Speed Dial

Phone Book

Volume Adjustment

Ring Tone Selection

3-way Conference

Speakerphone

Configuration

Web Browser

Console/Telnet

Keypad

Auto-provision

Firmware Upgrade

TFTP

Console

HTTP

Auto-provision

Dial Method

Direct IP call without SIP proxy

Dial number via SIP server

Dial URL via SIP server

DTMF Function

In-Band DTMF

Out-of-Band DTMF

SIP Info

IP Assignment

Static IP

DHCP

PPPoE

NAT Traversal

STUN

UPnP

Security

HTTP 1.1 basic/digest authentication for Web setup

MD5 for SIP authentication (RFC 2069/RFC 2617)