Multiple choice

Which of the following protocols is commonly used for VoIP technology?

  1. Telnet

  2. SIP

  3. SNMP

  4. SMTP
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

SIP (Session Initiation Protocol) is the standard signaling protocol used for initiating, maintaining, and terminating real-time sessions like VoIP calls.

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