What is SIP?
The signalling protocol that sets up internet calls.
Session Initiation Protocol is the standard for starting, modifying and ending a call over IP. SIP handles the signalling — who is calling whom, ringing, answering, hanging up — while the audio itself travels separately, usually over RTP.
This is an industry glossary. A term defined here is not a statement that Drop AI provides it — see the pricing page for what is included.
Related
Terms that come up alongside it
Telephony
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