Articles in category: SIP

 

Total number of pages found: 8

What’s Happening with SIP and IPv6?

At the recent Netnod Spring Meeting Olle E. Johansson from Edvina was invited to talk about his work with dual stacks in SIP. The talk was very personal and covered the progress, or lack of progress, in the IETF and the work done in the SIP Forum IPv6 working group. The work started when Olle […]

April 6, 2015 | Posted by oej | Filed Under Events, IPv6, Presentations, SIP, Technology

Launching the new SIP Masterclass 2 – Mastering Kamailio

Come to Stockholm, Sweden April 7-20, 2015 for the very first “Mastering Kamailio” class! After more than 10 years of running the SIP Masterclass we had too much material and too many ideas to fit into five days of training. Students attending our SIP Masterclass got a chock when seeing the material – over 1000 […]

February 7, 2015 | Posted by oej | Filed Under SIP, Trainings

SIP 2012 :: ICE – finding the best media path between two phones

Edvina continues the work to define a new SIP reference profile, updated to fit current networks and implementations. SIP 2.0 is over 10 years old and the RFC does no longer cover enough to fit the needs of the enterprise. Networking has changed and much has been added to SIP by the IETF in cooperation […]

September 22, 2012 | Posted by oej | Filed Under IPv6, SIP, SIP2012

SIP2012 :: Redefining SIP

Edvina today launched SIP2012 – a project to try to redefine SIP in the eyes of all customers to our industry. We need to go beyond the 10-year old RFC and use all the solutions developed by the IETF and the SIP Forum during 10 years of SIP version 2.0. We’re not defining SIP 3.0 […]

August 14, 2012 | Posted by oej | Filed Under SIP, SIP2012, Technology

Is SIP the new WebRTC infrastructure?

SIP celebrates 10 years this summer. When it was created, it was created to become the new infrastructure for Internet-wide realtime communication and collaboration. Based on domains, like e-mail, SIP was built for the Internet. But neither the Internet nor corporate networks was ready for it. Many problems was discovered, like NAT traversal, firewall handling […]

July 10, 2012 | Posted by oej | Filed Under SIP, Technology, WebRTC

SIP & IPv6 :: The action plan, version 0.8

We have tried to gather information about SIP and migration to IPv6 in a short presentation. This is the first version and we appreciate all your feedback. You can read more about SIP & IPv6 on our SIPv6 web and like us on facebook.com/sipv6! Sip & IPv6 – time for action! View more presentations from […]

March 6, 2011 | Posted by oej | Filed Under IPv6, SIP, Technology

Finally an RFC for the SIP INFO message

SIP, like HTTP, is a request-response protocol. Each request has a method, that is standardized. A call setup uses the INVITE method, a call tear-down (hangup) use the BYE method. Those are simple to understand, as are a few of the other ones, like REFER for call transfers and MESSAGE for SMS-like text messages. The […]

January 15, 2011 | Posted by oej | Filed Under SIP

Asterisk: Distributed states using SIP

Asterisk was originally built as a stand-alone system, a single central point for all telephony communication. In short, a PBX. Nowadays, the Asterisk Open Source telephony server, is used in many ways – many of them not really being PBXs. All kinds of applications are being powered by Asterisk. While building applications with Asterisk, you […]

January 8, 2011 | Posted by oej | Filed Under Asterisk, Kamailio, SIP

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