Standards
System: ITU-T H.320
Call Control: ITU-T H.242
Framing: ITU-T H.221
Multipoint Signaling: ITU H.241, H.243
Algorithm: ITU-T H.261, H.263
Video
System: ITU-T H.320 /
Call Control: ITU-T H.242
Framing: ITU-T H.221
Multipoint Signaling: ITU H.241, H.243
Algorithm: ITU-T H.261, H.263
Audio
Algorithm: ITU-T G.711 (50Hz - 3.4KHz@56/64Kbps) /ITU-T G.728 (50Hz -
3.4KHz@16Kbps)
Audio Input:
2 Composite, handset, Built-in Microphone
Audio Output:
Telephone handset or speaker /1 Composite output
ISDN Requirements:
Single ISDN BRI S/T interface (or U interface w/ NT-1 switch)
56K x 2 or 64K x 2
Supported switch types/protocols :- ETSI
- NI-1
- AT&T 5ESS- NTT- DMS 100
Network Interface :
ISDN signaling: ITU-T Q.921, Q.931 /ISDN Interface: S/T interface (with RJ-45 jack)
External Input Voltage
100 - 240VAC/ 50 - 60Hz /
System Input Voltage
DC 12V/5V
Dimensions
(W x D x H) / 9.25 x 9.25 x 3.5 (in), 23.5
/Weight
x 23.5 x 9.0 (cm) // 4 lbs