rtp

What is RTP used for?

• Quality-of-service

• Encoding audio or video

• Delivery of packets

• Real-time conversation

How many bits are in the RTP packet header?

• 12

• 16

• 32

• 7

What is the purpose of the SSRC in the RTP packet header?

• Identifies the current caller location

• Identifies the type of encoded audio or video

• Identifies the IP address of the callee

• Identifies the source of the RTP stream

What protocol does RTP use for delivery?

• UDP

• SIP

• IP

• TCP

What is SIP used for?

• Encoding audio or video

• Establishing and ending calls

• Determining the current IP address of the callee

• Quality-of-service

What socket does SIP use for media?

• UDP

• RTP

• TCP

• IP

What is the purpose of a SIP registrar?

• Determining the current caller location and the currently used IP device

• Encoding audio or video

• Establishing and ending calls

• Responding with SIP replies

How does a SIP user register its location?

• Using a REGISTER message

• Using a SIP reply

• Using an INVITE message

• Using an ACK message

What is the purpose of a SIP proxy?

• Encoding audio or video

• Responding with SIP replies

• Determining the current caller location

• Determining the current IP address of the callee

In the Real-Time Conversational Applications project, how many PCs are needed?

• 1

• 2

• 4

• 3