Which three statements are true about SIP, per RFC 326? (Choose three.)
SIP does not provide for resource reservation.
SIP defines native methods for negotiating media streams.
A SIP transaction occurs between a client and a server.
To set up a voice session, SIP relies on protocols such as SDP and RTP.
SIP signaling can only be used for voice over IP thereby limiting its use as a general signaling protocol.
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