Setting Up Single-Site Campuses
In many instances, you will implement AVVID-based solutions in a single site
configuration.These are the implementations that only have one office and no
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310 Chapter 9 • AVVID Dial Plans
WAN connections to external sites.When configuring these types of sites, you
will often implement a simple dial plan that can provide intraoffice calling (with
four or five digits depending on the site), as well as connections to the PSTN
(usually by dialing a 9). Long distance would also be handled by the PSTN, with
the dialing party using a 9, then a 1, followed by the area code before dialing the
seven-digit number. If you plan to use multiple carries for your PSTN, you may
have a scenario that flows like that in Figure 9.4.