This section describes the options available to provision the digital or analog voice channels supported by the Passport 4400 unit.
To configure the digital or analog voice channels, perform the tasks listed in the table shown below.
| Task | Description |
| Creates a table of network telephone numbers with manipulation strings. The manipulation strings, if any, are used to modify user-dialed numbers to numbers that are transmitted to the destination voice channels. |
| Creates a table of local telephone numbers with manipulation strings for one or more local voice channels. The manipulation strings are used by the local voice channels to modify the numbers of incoming calls. |
| Builds a library of voice channel profiles. |
| Assigns a voice profile to a voice channel. | |
| Builds a library of voice channel switching profiles. |
| Assigns a voice switching profile to a voice channel. | |
| Assigns the default voice transport method for the Passport 4400 unit. |
| *optional Allows or disallows overbooking of voice traffic. (If overbooking is enabled and the Passport 4400 unit is not configured properly, voice quality will be adversely affected). |
Digital Call forwarding and Digit Manipulation are also discussed in this section: