Appendix B: Using the SynWatch Utility

the ISDN connection phase. For example, if a RAS connection fails (during either dial-in or dial-out), the first channel to watch is the ISDN D channel.

To activate watching on an ISDN D channel:

1.Select the channel in the configuration panel of the Synwatch dialog.

A list of watch modes appears:

Figure B-2. ISDN D Channel Watch Modes

2.To activate frame logging, select one of the watch modes:

Select LAPD to see detailed descriptions of signalling frames.

Select LAPD (reduced) to see brief descriptions of signalling frames.

Select Hexadecimal Dump to see Hexadecimal dump of signalling frames (in Hexadecimal Dump mode, frames are not analyzed).

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