Type change trunk-group n, where n is the ISDN trunk group that you want to designate for Call-by-Call Service Selection.
If you want to add a new trunk group, type add trunk-group x, where x is the next unused trunk group number.
The system displays the ISDN Trunk Group screen.
In the Group Type field, type isdn.
The system displays additional ISDN-specific fields.
In the Service Type field, type cbc for Call-by-call Service Selection.
In the Usage Alloc? field, type y to allocate the service that the trunk group provides.
Click Next until you see the CBC Trunk Group Usage Allocation page.
In the Service/Feature field under the Usage Allocation Plan 1 column, type the name of the service for which you want to allocate CBC trunk service.
You can administer up to three (UAPs) for each trunk.
In the Min # Chan and Max # Chan fields, type a minimum number and a maximum number of channels for incoming and outgoing called numbers, privileged users, and voice and data calls.
Repeat steps 8 and 9 for each service for which you want to allocate CBC trunk service.
Click Next until you see the CBC Trunk Group Usage Allocation Plan Assignment Schedule page.
In the Fixed field, perform one of the following actions:
Type y if you want a specific UAP to be activated at all times for this trunk group. If you type y, the system displays Allocation Plan Number field.
Type n if you do not want a fixed UAP to be activated at all times for this trunk group.
In the Allocation Plan Number field, type the number of the UAP that you want to be activated at all times for this trunk group.
In the Scheduled field, type y if you want to administer a schedule that can change up to six times a day for each day of the week.
For each day of the week, use the Act Time and the Plan # fields to type the activation time, and the type of UAP to use at different times of the day.
