Show 87 – A SIP of Voice

The Packet Pushers voice crew reassembles, this time for a discussion of SIP trunks. Erik Peterson, Amy Arnold and Tom Hollingsworth are the technical talent this week, while Ethan Banks hosts and tries to keep up with the conversation without going, “Huh?” too many times. Hey, we can’t all be voice engineers. 😉

SIP gets a pretty good look from us as we take on the following talking points:

  • What’s SIP stand for, and what’s it used for?
  • What are the common alternatives to SIP, and why is SIP preferred?
  • What sorts of widely recognized hardware/software uses SIP?
  • How does SIP work?
  • Implementing SIP trunking in the enterprise for PSTN access.
  • What should enterprises be considering when planning a transition to SIP?
  • What is a Session Border Controller?
  • What is SIP normalization, and when does it need to be used?
  • SIP applications in production networks.
  • SIP troubleshooting tools. (Packet captures, ladder diagrams, per call debugging, and common show & debug commands.)
  • How do I learn more about SIP? (Read Tom’s review of the CiscoPress title “SIP Trunking”.)

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Ethan Banks
Ethan Banks, CCIE #20655, has been managing networks for higher ed, government, financials and high tech since 1995. Ethan co-hosts the Packet Pushers Podcast, which has seen over 3M downloads and reaches over 10K listeners. With whatever time is left, Ethan writes for fun & profit, studies for certifications, and enjoys science fiction. @ecbanks
Ethan Banks
Ethan Banks
  • Matthew Walster

    There was an interesting talk on SIP, and that it’s more than just VoIP at FOSDEM this year: