15 Questions
What was the first draft of SIP known as?
draft-ietf-mmusic-sip-00
Which of the following is NOT one of the purposes of SIP?
User authentication
In which year did the IETF publish the draft 'draft-ietf-mmusic-sip-12'?
1999
Which SIP command is used to establish a session parameter at both called and calling parties?
INVITE
What is the primary function of SIP?
Setup, modification, and termination of sessions
Which RFC number was published to standardize SIP in March 1999?
RFC 2543
Which SIP command is used for transferring and terminating sessions?
BYE
In SIP, what is the purpose of determining the willingness of the called party to engage in communication?
User availability determination
Which of the following is a component that SIP handles?
Session termination
What is the purpose of the To Header in a SIP request?
Specifying the recipient of the request
In SIP, what does a 3xx response code indicate?
Redirection
What category do General Headers belong to in SIP messages?
Request Headers
Which class of status codes does the response code 404 Not Found belong to?
4xx
What does the response code 504 Version Not Supported indicate in SIP?
Server Error
Which type of headers are included in a SIP request to provide further information about the message?
General Headers
Test your knowledge on SIP status codes ranging from 100 to 699 which are grouped into six different classes. Understand the purpose of reason phrases and how they are meant for human interpretation in SIP responses.
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