Assigning numbers to Trunks
You can specify here which public numbers this trunk uses. External calls to these numbers go over this trunk. Calls with a Calling Party Number that is assigned to this trunk are routed over this trunk.
To assign numbers to a trunk 
1 In the menu select “Numbers”.
*The “Number ranges” list will appear.
2 Click on the “Add range” button.
*The “General” tab appears.
Label
Explanation
Trunk
Select the trunk to which the numbers should be assigned.
Country code
Enter the country code of the public number.
Area Code
Enter the area code of the public number.
First Subscriber Number
Enter the first number of the number range.
E. g. “000”
Last Subscriber Number
Enter the last number of the number range.
E. g. 999
3 Click on the button to save the settings.
*The new number range will appear in the list.
Last modified date: 07/17/2019