User`s guide

System Administrator’s Guide – Release 7.2.3.x
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trademarks of their respective owners.
Revised: September 1, 2010
Page 65
WARNING: Calls can be routed to Remote Allworx sites in order to use the remote sites’ outside lines.
However, remote sites should not be the only method available for external calls to be placed. Loss of
Internet connectivity between the local site and the remote site (at either end) may disable the ability to place
calls including 911 Emergency calls.
Note: The Digital Line Service Group is only available on Allworx 24x and 48x servers.
Additional Service Groups can be defined by the System Administrator to control the use of services or set of
services for certain dialed calls.
11.1.4 Exceptions
Dialing Rules and Service Groups are only used for Call Appearance calls, not for Line Appearance calls.
This is because Line Appearance calls access outside lines, directly.
The server’s dialing rules utilize the North American Numbering Plan (NANP). If your Allworx
server is located
in an area that does not use NANP, then access outside lines using Line Appearance PFKs or by dialing ‘9#’.
Lines can also be accessed by dialing 9 then the phone number. The system will wait six (6) seconds before
initiating the call to make sure that the user has finished dialing. To initiate the call immediately, press the #
key after the last phone number digit.
11.2 North American Numbering Plan Administration (NANPA)
The Allworx server routes calls using the Service Group that has been assigned to the type of number dialed.
When NANPA is enabled or disabled it changes the types of numbers dialed that the system supports.