Not too many years ago, the world of communication faced the choice of whether SIP or H.323 should be the signalling protocol used to establish multimedia sessions. Even if H.323 is still used, there is a general agreement that SIP was the victor in this battle.
When 3GPP chose which protocol to use in IMS, they chose SIP. IP-Solutions tries, very deliberately, to be on the leading edge of technology. In this determination we are always aware that this may sometimes turn out to be “the bleeding edge”. This was not the case with SIP. We started working with SIP when most people thought we were talking of something beginning with a z. For many years we have developed our SIP competence and, above all, shared this knowledge with students all over the world.



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