EXFO EXpert VoIP Test Tools - Manual (Page 43)

Test Setup
EXpert IP 37
Configuration (H.323)
Capture Filters
Available when the Utilities - Capture check box is selected.

IP Address check box when selected (cleared by default) represents
the Peer IP Address that acts as a filter that will capture packets having
the source or destination IP address matching the specified Peer IP
address. The accepted range is from 0.0.0.1 to 223.225.225.225.

File Size represents the maximum size of the file to capture either in
megabytes (1 to 50 MB (default is  )) or in seconds (1 (default) to
3600 seconds).