Chapter 12. SIP, Multimedia, and IP Telephony
In this chapter, we will learn how to use Wireshark in order to resolve and troubleshoot IP telephony, voice and video calls, video streams, and other types of multimedia sessions. In this chapter we have the following recipes:
- Using Wireshark's features for telephony and multimedia analysis
- Analyzing SIP connectivity
- Analyzing RTP/RTCP connectivity
- Troubleshooting scenarios for video and surveillance applications
- Troubleshooting scenarios for IPTV applications
- Troubleshooting scenarios for video-conferencing applications
- Troubleshooting RTSP
Introduction
Various types of multimedia applications take up a significant part of modern communication networks. Among these applications, we have telephony, video conferencing, surveillance systems, distance-learning systems, and many more.
In multimedia applications, the requirements from the network are different from the requirements in other enterprise applications. While applications such as...