* Hint: If this video becomes  fuzzy or unclear, please just switch to HD mode.

* Hint:Please note that some of the screenshots and outputs in this post have been recreated in a lab

* Hint: Please click on the pictures in order to maximize them

As we  know, the problem of one-way audio is very popular in the word of  IP telephony and when it occurs, everyone thinks its the telephony system that’s got a problem. However, 90% of the time, it’s the underlying network that’s causing the problem.   This video entry is geared towards providing a method for determining whether the phones in a a call are actually sending audio packets when users are complaining of one-way audio or no audio at all.

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