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Media drill with the cited answer

488, 422, telephone-event, RTP, and the SRTP keying choice, each answered in the prose.

Learn in 5 minutes

  1. Answer 488 from RFC 3261 and RFC 3264
  2. Keep 422 on RFC 4028
  3. Name RTP and the two keying choices

Visual

A 488, named correctly · study drawing · cyphermonkeylabs.com AliceSBC INVITE 100 488 ACK

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Say the cite with the sentence.

Worked example

Name this 488 The final response is 488. What do you say in the interview?

  1. Press Play.
  2. Step until the hop named in the question.
  3. Inspect that message and answer the check.

Fault

The ladder shows 200 OK with c=IN IP4 203.0.113.20 and m=audio 19642 RTP/AVP 0, and the ticket says 488. No RTP is captured.

488 would have been the final response instead of 200. RFC 3550 is the media.

Quiz

488 means


422 means


606 means


telephone-event is


Voice samples ride


SRTP keying choices named here are


Ecosystem

Glossary, sister systems, and the integration seam for this room.

Quality management and recording QM scores interactions. The standardized way an SBC forks a session to a recorder is SIPREC.

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