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Sample Content

Objectives
  • Understand the impact of enabling Recursion on a SIP proxy
  • Know how to detect Recursion from parsing SIP logs

This time, the SIPsense SIP Engine sets up a call in its virtual SIP network, routing the intial INVITE request over multiple SIP servers. It then instructs one of those servers en route to enable redirection if its proxied INVITE is redirected by a downstream proxy. The SIP engine then takes a SIP message from the log and asks you to predict what should happen next - an important skill for every good SIP engineer!

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