Appendix 3: IP Videophone Specifications
System ITEF Recommendation
:
SIP(RFC 3261)
Video
ITU-T Recommendation: H.263, H.263+, mpeg4
Resolution: CIF : 352 × 288 pixels
QCIF: 176 × 144 pixels
Max. frames per second: 30 fps
Audio
ITU-T Recommendation: G.711(A-law
, G.729a,
,
μ
-law), G.723, G.726_16/24/32/40
Gsm_amr, iLBC
Frequency response: 200 Hz ~ 3.4 KHz
Camera
CMOS Camera: 640 × 480 pixels
Sensor Size: 2.76 × 2.05 mm
Horizontal field of view: 50°
maximum
Vertical field of view: 30° maximum
Automatic exposure and brightness
adjust
Display
TFT-LCD: a-Si TFT active matrix
Resolution: 320(H) × 3(RGB) × 240(V) pixels
Size: 3.5 inch
Pixel pitch: 0.219(W) × 0.219(V) mm
Display colors: 24-bits Color
System format: NTSC/PAL
Network interface
LAN: 10/100 Base-T(RJ-45 jack)
ADSL, Cable Interface
Network protocol
TCP/IP, UDP, ICMP, DHCP, NTP, HTTP etc.
Supplementary Services - Optional
Call Transfer, 3-way Calling, Music Play
essage Service), etc.
er, SMS(Short M
Voice Encryption - Optional
Remote Upgrade and Configuration
Remote Upgrade: download the latest software version from server using TFTP.
Remote Configuration: Setting system Configuration using Web server, SNMP – optional
Electrical
Operation voltage: 9V, 700mA
Power consumption(Max.): 6.3W
Power Supply(AC Adapter): 220V,
50HZ
Videophone Size
:
Width: 218 mm
Depth: 204 mm
Height: 180 mm
*The exterior and specification might be changed to improve its performance or design
without notice.
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