Hardware

Internet

10/100M, Half or Full Duplex, auto-negotiation (IEEE 802.3af Power over Ethernet (PoE) compliant)

PC

10/100M, Half or Full Duplex, auto-negotiation

Display

128×64 Graphic LCD with white backlight

Headset Jack

RJ-9

Function Keys

2 Line keys and 4 soft keys
12 Dialing Buttons (0~9, *, #)
10 Multi-functional key with dual-color LED

Protocols and Standard

Standard

SIP V2 (RFC 3261, 3262, 3263, 3264)
Backward Compatible with RFC 2543
Session Timer (RFC 4028)
SDP (RFC 2327)
RTP/RTCP (RFC 1889 and RFC 1890)
NAPTR for SIP URI Lookup (RFC 2915)
STUN (RFC 3489)
ARP/RARP (RFC 826/903)
SNTP (RFC 2030)
DHCP
HTTP Server for Web Management
TFTP/HTTP/HTTPS for Auto Provisioning
Message Waiting Indicator (RFC 3842)
DNS/DNS SRV (RFC 1706 and RFC 2782)
IEEE802.1Q VLAN/802.1p and IP TOS

VPN Network

PPTP and T2TP c encryption

Voice Code

G.711 (A-Law, μ-Law), G.729, G.723, G.722

Voice Standard

Adaptive Jitter Buffer Management
Voice Activity Detection
Comfort Noise Generation
Echo Cancellation

Security

802.1p (QoS)
User Authentication for configuration pages

Features

Call Features

2 lines
Call Waiting
Auto Answer
Caller ID and call waiting ID
3-Way Conference
Call Mute ,Redial, Speed Dial, Pick up, Call park ,Dial Plan ,DND, Call Hold, Call Forwarding
Call Transfer: blind transfer and attended transfer
SMS Functions
Supports BLF(Busy Lamp Field)
Phonebook
Black List
Call log: redial list, answered calls and missed calls
Full-duplex Speakerphone
Volume Adjustment: Handset/Headset, Speaker and Ringer
MAC address cloning
SIP proxy redundancy: dynamic via DNS SRV, A records
Direct IP to IP calling
NAT Traversal: Traversal by STUN
Built-in NAT Router
QoS with Layer 2 and Layer 3
DHCP Server and Client
IP conflict detection
Supports IEEE802.3af Power over Ethernet (PoE)

Network and Configuration

Internet Connection Type

Fixed IP, DHCP, PPPoE

Management

LCD / Keypad UI
Web (HTTP)
Auto Provision (TFTP/HTTP/HTTPS)

Dimension (W x D x H)

191 x 205 x 75 mm

Operating Environment

0~50 Degree C, 10~90% humidity

Power Requirement

5V DC, IEEE 802.3af Power over Ethernet (PoE)

EMC/EMI

FCC, CE