SSCA SIP Protocols & Call Flow Fundamentals

Question 1

What does SIP stand for in telecommunications?

Accepted Answer

Session Initiation Protocol

Answer

SIP is an acronym that stands for Session Initiation Protocol. It is a crucial signaling protocol used in telecommunications for establishing, managing, and terminating real-time multimedia communication sessions over IP networks.

Question 2

What is the primary function of SIP?

Accepted Answer

Control multimedia communication sessions

Answer

The primary function of SIP is to control multimedia communication sessions, such as voice and video calls, instant messaging, and other real-time applications. It handles the signaling aspects, including setting up, modifying, and tearing down these sessions.

Question 3

Which SIP message is used to initiate a call?

Accepted Answer

INVITE

Answer

The INVITE message is a fundamental SIP method specifically used to initiate a call or session. It signals the intention to establish a communication session and carries essential information about the caller's media capabilities.

Question 4

What response code indicates a successful SIP request?

Accepted Answer

200 OK

Answer

In SIP, response codes are used to indicate the status of a request. A 200 OK response code specifically signifies that the request was successfully received, understood, and accepted. For instance, it confirms that a call invitation has been accepted.

Question 5

Which SIP message is used to end a call?

Accepted Answer

BYE

Answer

The BYE message is a SIP method explicitly designed to terminate an established call or session. When a user hangs up, a BYE message is sent to the other party to gracefully end the communication session.

(SSCA) Sip School Certified Associate Practice Test

(SSCA) Sip School Certified Associate Practice Test

SSCA SIP Protocols & Call Flow Fundamentals