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Calls are started by means of the methods INVITE together with SDP (Session Description Protocol) which carry the information necessary to allow the endpoints of

SIP is a peer-to-peer protocol where the roles client – server and exchangeable depending on who starts a session. In reality most deployments foresee a

This blog article will be dedicated to SIP and SIP calls. It is meant to provide an introduction for UC Engineers to the main headers

In this blog article we continue to analyze RTP and RTCP and we will see why Jitter Buffer is important and how it affects call

Media is another vital component of a Unified Communication system. Once signaling is in place and working between two endpoints, information about media capabilities can