Dialing a Call to a Remote Office | 71 |
Dialing a Call to a (NBX 100 and SuperStack 3 NBX) The NBX 100 and SuperStack 3 NBX
Remote Office Networked Telephony Solutions provide options that allow users to dial calls between sites that are separated geographically but that are linked by a Wide Area Network (WAN) connection.
Two typical configurations are described in the next sections.
Using Unique In the sample network shown in Figure 11, each site must have unique Extensions telephone extensions. The system is configured so that whenever a call is
made to an extension not located at the local site, your NBX system sets up a connection to the appropriate site.
In this example, to call a user in Dallas, a user in Chicago dials a Dallas extension (3000 through 3999). The dial plan on the Chicago NBX system sets up the necessary connection to the Dallas NBX system and then to the extension at that site.
Figure 11 Using Unique Extensions to Dial Remote Offices
Chicago NBX System Extensions
WAN
Dallas
NBX System Extensions
Atlanta NBX System Extensions
Using Site Codes Your administrator also can configure your telephone system to use site codes for dialing remote offices. In this scenario, you must dial a site code first, followed by the extension at the site. Each site then may have whatever telephone extensions they want. Your administrator chooses the site codes for your system.
For example, as shown in Figure 12, to call someone in Atlanta, a user in Chicago dials the site code 62 and then the appropriate extension (1000 through 3999). To reach a user in Dallas, a user in Chicago dials 63 and then the appropriate extension (1000 through 3999). The site code