Cisco Systems 5, NAM manual RTP Conversation, Field Purpose

Chapter 3 Monitoring and Analysis

Media

Table 3-22	RTP Streams for the Selected Call table
Field		Purpose
Source Address		IP Address of the originator of the RTP stream
Source Port		UDP port of the originator of the RTP stream
Destination Address		IP address of the receiver of the RTP stream
Destination Port		UDP port of the receiver of the RTP stream
Codec		Encoding decoding format/algorithm of the RTP
		stream
SSRC		Synchronization source number as it appear in the
		RTP header
Duration Weighted MOS		NAM calculated score that takes into account of the
		duration of the stream
Duration Weighted Jitter		Jitter that takes into account of the duration of the
		RTP stream among all per-interval reports
Overall Adjusted Packet Loss		Percentile of adjust packets lost against total packets
		of all per-interval RTP reports.

You can see more detailed information about each RTP stream by selecting the RTP stream and clicking on the RTP Stream Details button. A pop up window will show more detailed information of the stream displayed.

RTP Conversation

To get detailed information about RTP conversations, choose Analyze > Media > Detailed Views > RTP Conversations. This table shows you the overview of RTP streams analyzed by NAM during the selected interval. You can drill-down to each stream to get stream statistics, which are analyzed by the NAM at each interval. To get more detailed information, you can:

•Click on the RTP stream for which you want to see more information.

•Click on the “RTP Stream Details” context menu. A pop up window will show you the detailed information of the stream.

The columns of the RTP Conversation tables are described in Table 3-23, RTP Conversations Table.

		Table 3-23	RTP Conversations Table
		Field		Purpose
		Start Time		Time when the RTP stream was discovered by the NAM
		Source Address		IP Address of the originator of the RTP stream
		Source Port		UDP port of the originator of the RTP stream
		Destination Address		IP address of the receiver of the RTP stream
		Destination Port		UDP port of the receiver of the RTP stream
		Codec		Encoding decoding format/algorithm of the RTP stream
	User Guide for the Cisco Network Analysis Module (NAM) Traffic Analyzer, 5.0
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