SIP in higher education

[Ben Teitelbaum <>]

Cross-posting from the TERENA Task Force VVC (Voice, video and
collaboration) list (with Christian's permission)...

-- ben

Christian Schlatter 
<>
 writes:

> Dear all
>
> Anyone interested in the presentations from the SWITCH SIP Infoday
> should visit the link posted below. Topics like SIP/ENUM, VoIP
> protocol alternatives, SIP projects at Swiss universities, VoIP legal
> aspects, and NAT/FW traversal are covered by these presentations.
>
> https://vconf.switch.ch/infoday/
> user: sip, pwd: sipinfo
>
>
> Technical note:
> The presentations were recorded using the following setup:
> - 2 wireless mics + 1 video cam connected to a Polycom VSX7000
> - VSX7000 connected with Starbak VCG over H.323 (using our MCU for
>   audio level adjustment)
> - Slides, exported as JPEGs, were uploaded to Starbak server beforehand
> - Slides were triggered during event through Starbak API + self
>   written PHP scripts
>
> Since the Starbak VCG does not do transcoding (it does with an
> additional Starbak Encoder unit, but "only" Windows Media format), the
> streams are encoded with H.263/G.711 at 384 kbit/s.
>
> Windows and Mac users should have no problems to view the streams
> using the Apple Quicktime browser plugin (we had to write our own
> viewing frontend in order to support Mozilla/Firefox/Safari
> browsers). Although viewing these streams with Unix/Linux is possible
> using the VideoLAN Client (VLC) software (you can find the respective
> RTSP links in the source of the webpage), we don't know of any VLC
> browser plugin and so the slides cannot be triggered.
>
> -Christian
>
>
> -- 
> SWITCH - The Swiss Education & Research Network
>
> Christian Schlatter
> Neumuehlequai 6
> CH-8021 Zurich, Switzerland
>
> mail: 
> 
> web:  www.switch.ch
> tel:  +41 44 268 1552
> h323: 0041 44 268 1552
>
>

-- 
Ben Teitelbaum   http://people.internet2.edu/~ben/