1. The Diamond of Teleconferencing

3. Who is Chorus Call Chorus Call Italia is a world-class teleconferencing service provider with headquarters in the US and satellite offices all around the world. Chorus Call’s sister company – Compunetix – is an international leader in the design and manufacture of multipoint conferencing systems . Compunetix‘s major clients include NASA, the US Federal Aviation Administration, the US Navy as well as commercial clients such as Sprint, MCI, WorldCom, AT&T, British Telecom, Deutsche Telecom, Telecom Italia, Telstra and many others.

4. Who is Chorus Call Italia Chorus Call Inc. Chorus Call USA Chorus Call Switzerland Chorus Call South Africa Chorus Call Italy Chorus Call Greece Chorus Call Brazil Chorus Call Australia Chorus Call Canada Chorus Call Germany Chorus Call India

5. Audio Conferences

9. Video Conferences

12. WEB Collaboration Tools

14. I-Present: an example

16. Streaming Audio and Video This is the highly customizable mediaframe: Banner image : could include the logo and/or a company image Audio or Video window : could include a moderator’s photo or a picture (audiowebcast) or a video of the event (videowebcast) Moderators names and other information Slides box : includes a slide presentation synchronized with moderator’s voice. The slide could be shown full screen Slides selection: archived webcast allows a slide choice(updated with the speech)

17. Contact us Claudia Gruppioni Account Executive [email_address] Chorus Call Italia Via San Clemente 1, 20122 Milano Tel: +39 02 8061371 Mobile: +39 340 5804277 Fax: +39 02 80613740 www.choruscall.com We would be happy to answer your questions and discuss any customized request at your convenience: Thank you for your attention!