On any VoIP system page, click the Advanced VoIP Setup icon
to display the full VoIP user configuration menu in the left pane.
Basic read-only system information is displayed in the main
window:
(There are a number of highly technical Advanced VoIP Setup
parameters that are available to VoIP providers only. For
information, please see the X6v VoIP Features Technical
Reference.)
Note: The discussion of advanced VoIP configuration uses the
term PSTN (Public Switched Telephone Network), which is also
described in this User Guide as TELCO or landline service.
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Chapter 4: Setting Up VoIP Service