ZyXEL Communications IP PBX X6004 - Manual (Page 102)

Chapter 3 Tutorials
X6004 User’s Guide
102
5
Wait several seconds, click Stop Capture, Download and then Save to save the
capturing file on your computer.
6
Use a packet capturing tool (such as Ethereal) to open the file and analyze the
possible root cause.
In this example, registration fails because the SIP username must be a number
and not letters (bob in this example) for the X6004.
If you cannot solve the problem, you should contact customer support and send
this file.
You may be asked to provide another file containing more real-time system
information. Select Maintenance > Administration > Diagnostics >
Information Collect and click Collect Now. Wait several seconds, then click
Download and Save to save the file on your computer.