NE #78 SIP Call HOLD Explained
Channel: Network Engineering Video Blog
Date: 19/04/2019

In today’s video, we are going to use wireshark to look at an “A calls B, A puts B on Hold” call flow and analyze what happens when you put a SIP call on HOLD.  We will be using our SIP testbed we built in video #65 for this testing.  I will also show you how to identify the SIP transactions and SIP dialog  to analyze our SIP call.  Finally, we will dig into the SDP to see HOW Phone A puts Phone B on hold.

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