364
c. Configure the backup call route 211 for the FXO line in the call route configuration page:
The destination address is .T, call route type is Trunk, and the trunk route line is 4/0. In
addition, select the Send All Digits of a Called Number option in the Called Number
Sending Mode area when you configure the advanced settings of this call route.
# Configure call authority control.
d. Select Voice Management > Dial Plan > Call Authority Control from the navigation tree,
and then click Add to access the permitted call number group configuration page.
Figure 747 Permitted call number group configuration page
b. Type 1 in the Group ID field.
c. Type 2101002 in the Numbers in the Group field and click Add.
d. Click Apply.
e. Select Voice Management > Dial Plan > Call Authority Control from the navigation tree,
and then click Not Bound to access the call route binding page of permitted call number
group 1.
Figure 748 211 Call route binding page
a. Select the Permit the calls from the number group option.
b. Select call route 211.
c. Click Apply.
# Configure the hotline number.
d. Select Voice Management > Call Route from the navigation tree, and then click the
icon of call route 211 to access the call services configuration page.