yealink ip video phone

specification :

TI DaVinci dual-core chipset, 2M CMOS camera
7” 800x480 digital LCD, Touch screen
HD Voice, full-duplex speakerphone
4 VoIP accounts, 3-way video conferencing
BLF, Intercom, 18 one-touch soft DSS keys
Total directory solution
Door phone application

Feature:
1) Communication: ITU-T H.323V4, SIP v2
2) Video codec: ITU-T H.263/H. 263+/H.263++ / H.264
3) Audio codec: ITU-T G.711/G. 729/G.723.1A
4) Network protocols: TCP/IP, DHCP, Telnet, DNS, PPPoE, RTP, NAT, UDP, RTP,
RTCP, TFTP
5) Bandwidth Support: 16kpbs--512kpbs
6) Network interface: 10/100Base-T, 2×RJ-45
7) PSTN: 1xRJ11
8) Video input: CVBS PAL/NTSC(RCA)
9) Video output: CVBS PAL/NTSC(RCA)
10) Audio input: Line(RCA)
11) Audio output: Line(RCA)
12) Video Resolution: QCIP(176×144)/ CIF(352×288)
13) Video frame rate: Maximum CIF 30FPS
14) Use of video intensifying technology
15) User of pre/post image processing technology
16) Voice Quality
17) Voice Active Detect (VAD)
18) Comfort Noise Generation (CNG)
19) Adaptive Jitter Buffer

yealink ip video phone