Model
|
VIP-256PT
|
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 RFC2543
|
Session Timer (RFC4028)
|
SDP (RFC2327)
|
RTP/RTCP (RFC1889 and RFC1890)
|
NAPTR for SIP URI Lookup (RFC2915)
|
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 (RFC3842)
|
DNS/DNS SRV (RFC1706 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
|