How To Analyze DTMF in SIP Calls by Wireshark (Video)

Content

00:18 DMTF Intro

02:51 RFC2833 Analysis

03:46 Inband Analysis

04:15 SIP Info Analysis

04:48 Extending - DTMF in Analog

Reference

SIP DTMF: https://support.yeastar.com/hc/en-us/articles/360038941513-Understand-the-DTMF-in-SIP-Call 

Wireshark usage: https://support.yeastar.com/hc/en-us/articles/360007606533-How-to-Analyze-SIP-Calls-in-Wireshark