Session Initiation Protocol is an open standard session management protocol used for signalling calls in VoIP. However, SIP connectivity is not limited to voice solutions: it can also be used for instant messaging, virtual reality or online gaming.
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More information >Session Initiation Protocol is an open standard session management protocol used for signalling calls in VoIP. However, SIP connectivity is not limited to voice solutions: it can also be used for instant messaging, virtual reality or online gaming.