[OpenSIPS-Users] FreeSWITCH and OpenSIPS for a Pure SIP Video, Chat and Conference Service, ClueCon Presentation Slides

Giovanni Maruzzelli gmaruzz at gmail.com
Wed Jul 25 12:29:47 EDT 2018

Hello fellow RTCers,

just finished presenting about scaling videoconferencing, chat and
moderation/direction controls in SIP, with web clients, deskphones,
smartphone apps, server push (google fcm) via cordova and SIP.js at

Here's the slides of my presentation:

or, shorter,

>From ClueCon blurb:

FreeSWITCH and OpenSIPS for a Pure SIP Video, Chat and Conference Service

On top of traditional SIP deskphones and softphones, WebRTC let us extend
the reach of SIP to all browsers, and to smartphone apps that wake up with
a server push. OpenSIPS has superb SIP and WebRTC support and can protect,
balance and scale FreeSWITCH insuperable conferencing, video MCU, media
switching/mixing, SIP SIMPLE message processing capabilities. We will see
how to build and implement such a complete platform, touching both on
servers and on clients. Hint: SIMPLE, the SIP Instant Messaging Protocol,
can be leveraged to transport statuses, commands and chats between
participants and administrators of SIP audio/video calls/conferences.

Giovanni MaruzzelliPrincipal at OpenTelecom.IT

Giovanni is a consultant for the Telco sector, developing software and
training courses for FreeSWITCH, SIP, WebRTC and Kamailio. He is heavily
engaged with FreeSWITCH, of which he wrote the interface with Skype and
with cellular phones. An Internet tech pioneer, in 1996 Giovanni was
cofounder of Italia Online, the most popular Italian portal and consumer
ISP, and architect of its Internet technologies – www.italiaonline.it Then
supervisor of Internet operations and architect of the first engine for
paid access to www.ilsole24ore.com , the most read financial newspaper in
Italy and to its databases (migrated from mainframe). After that, he was
CEO of venture capital funded Matrice, developing Telemail unified
messaging and multi language phone access to email (Text To Speech), and
CTO of incubator funded Open4, an open source managed applications
provider. Then he was for two years in Serbia as Internet and
Telecommunication Investment Expert for World Bank – IFC. Since 2005 he’s
based in Italy, and serves ICT and Telco companies worldwide.




Giovanni Maruzzelli
cell: +39 347 266 56 18
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