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800-150 · Question #18

Which protocol should be analyzed when troubleshooting call quality between IP phones?

The correct answer is D. RTP. When addressing call quality issues between IP phones, the Real-time Transport Protocol (RTP) is the primary protocol to analyze. RTP is responsible for the actual transmission of voice data during a call, and its performance directly impacts call quality. Key factors affecting…

Troubleshooting Methodologies

Question

Which protocol should be analyzed when troubleshooting call quality between IP phones?

Options

  • ASIP
  • BSCCP
  • CH.323
  • DRTP

How the community answered

(52 responses)
  • A
    2% (1)
  • C
    4% (2)
  • D
    94% (49)

Explanation

When addressing call quality issues between IP phones, the Real-time Transport Protocol (RTP) is the primary protocol to analyze. RTP is responsible for the actual transmission of voice data during a call, and its performance directly impacts call quality. Key factors affecting RTP and, consequently, call quality include: Packet Loss: Missing packets can lead to audio gaps. Jitter: Variations in packet arrival times can cause choppy audio. Latency: Delays in packet delivery can result in noticeable lag. Analyzing RTP streams allows technicians to identify these issues and implement appropriate Quality of Service (QoS) measures to mitigate them.

Topics

#RTP#call quality#VoIP#protocol analysis

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