Recent news:

35 years of Open Networking

April 29th, 2022 : 

Edvina was founded in 1987 and we’ve come a long way since. Today we’re a consulting company working in many areas, with realtime communication and network security as a common theme. Here’s a few examples of projects we’ve been working with during the last five years: Building a realtime platform for live radio broadcast Training […]

Realtime Radio – using SIP in Radio Broadcast

April 30th, 2017 : 

Edvina has built a custom platform based on the EBU Audio Contribution over IP standards. The platform is used for live broadcast from where the action is – in stadiums, on the road, from events outside the radio house. Using mobile, Internet, satellite and other IP-based connections the journalists can broadcast from anywhere, anytime. Edvina’s […]

Learn Kamailio in Madrid – February 2017

November 15th, 2016 : 

Want to learn how to configure and run Kamailio – the Open Source SIP Server? We are happy to inform you about a public training class together with our friends in Avanzada 7 – February¬†20-23, 2017! Teacher is Olle E. Johansson, active Kamailio developer, Asterisk developer and active in the SIP Forum and the IETF. […]

Want to learn Kamailio? Join us in Miami, FL, after Easter!

February 19th, 2016 : 

March 28th we’re running the SIP Masterclass in Miami, Florida with our partner USA-VOIP. This is an updated version of the class, now including an introduction to SIP over WebRTC. Spend one week with Olle E. Johansson and learn more about the SIP protocol, get an introduction to Kamailio with tutorials and interactive labs! The […]

About us

Edvina, founded in 1987, builds customized platforms for Open Unified Communication. We base our solutions on Open Source components, mainly Asterisk and Kamailio running on the Linux or FreeBSD operating systems. Our customers range from development companies to large organizations, universities and carriers.

Discover Open Realtime Communication

Olle E. JohanssonOlle E. Johansson has a strong vision for the future communication platform of your organization - Open Realtime Communication.
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TLS-O-MATIC – test your applications!

Edvina operates the TLS-O-MATIC test platform for all kinds of clients using TLS and HTTPS.
Check your application now!