different field use same filter

["damker" <damker () sina com>]

The attachment is a sample.

The same situation can be seen in rsl, gsm_map, camel and so on.

When using tshark, it's not easy to discriminate.

Attachment: channel activation.pcap
Description:

___________________________________________________________________________
Sent via:    Wireshark-users mailing list <wireshark-users () wireshark org>
Archives:    http://www.wireshark.org/lists/wireshark-users
Unsubscribe: https://wireshark.org/mailman/options/wireshark-users
             mailto:wireshark-users-request () wireshark org?subject=unsubscribe