WiFi SIP IP Phone desktop with 5sip acounts, battery VJ-2005WF

Network Features
1 RJ-45 auto-sensing 10/100Mbps, Bridge Mode
Support PPPoE for xDSL
Support DHCP Client on WAN
Support VLAN (optional: voice vlan/data vlan)
QoS with DiffServ
Support DMZ
Support DNS Relay, SNTP Client, Firewall
Support QoS for the Second Layer（802.1p）
SIP
RFC3261, RFC2543
ICMP, ARP, RARP, SNTP
SDP TFTP HTTP DNS
SIP server: 5 IP account with password protection
Pubic Server/ Private server: can connect to ISP and Private SIP server at same time
NAT traversal: STUN, NAT ALG, NAPT, SIP Express router
Audio Codec
G.711 µ / A
G.723.1
G.729
Dial Tone Signal Generation
DTMF (out of Band RFC 2833 / in band)
SIP Info interoperate with CISCO SIP device

Specifications
Support 4*16 LCD displayl        
Support 5 SIP account at the time to registration
Supports 64/128-bit WEP, complies with 128 bit WPA standard(TKIP/AES)
Supports 135/121.5/108/81/54/40.5/27/13.5/65/58.5/52/39/26/19.5/13/6.5/54/48/
36/24/18/12/9/6/11/5.5/2/1Mbps wireless LAN data transfer rates
Transmission Distance: indoor up to 120m, Outdoor up to 360m, it is limitedin an environment.
Support WDS Relay and WDS Bridge
One 10/100 BASE-T PC port, Router to the WIFI port.
Supporting DHCP Client or static IP address allocation plan
Supporting 802.1Q VLAN and VLAN Tag
Mute compression and comfort tone generation technology ensure clear conversation quality.
Self-adaptive jitter cache ensures smooth voice function
Lost-packet compensation guarantee mechanism provides a better voice quality.
Built-in Internet gateway function
Easily-configured Console port
Supporting remote configuration of Web mode and remote software downloading/upgrading
Support automatic Updates

WIFI Features
Supports 64/128-bit WEP, complies with 128 bit WPA standard(TKIP/AES)
Supports 135/121.5/108/81/54/40.5/27/13.5/65/58.5/52/39/26/19.5/13/6.5/54/48/
36/24/18/12/9/6/11/5.5/2/1Mbps wireless LAN data transfer rates
Wireless speed up to 150Mbps when connected to 11n device
Seamlessly compatible with 802.11b and 802.11g devices 
2dBi Fixed Antenna