Actions
ISDN Video Telephony¶
ISDN supports video telephony. Deutsche Bundespost was runnig an ISDN video telephony pilot project in 1991.
Relevant standards¶
- ITU-T F.721 (high level service description)
- ITU-T H.221 (multiplex layer, divides B channel into 8 sub-channels of 8kbps)
- ITU-T H.242
- ITU-T H.320
- ITU-T H.261 (video codec)
ISDN video calls can operate either over one or over 2 B channels.
Further pages¶
- 7e Communications (Motionmedia) Talking Head VideoReporter
- Aethra Theseus
- BildTel 001
- BT VS1
- PictureTel SS740 SS760
- T-View 100
- Tandberg TTC6-01
Marketing picture of an early ALCATEL prototype ISDN phone¶
Updated by laforge over 1 year ago · 1 revisions