Line |
Routes calls over the line you specify. |
Pool |
Routes calls using a line pool. |
IC |
Select IC if the destination is a local extension. |
Route |
Select route if the destination is either
a local extension or an external telephone, according to the routing codes
in the dial string in the telephone number box. |
If you are accustomed to routing codes for everyday dialing, use Route.
Otherwise, choose an appropriate Line, Pool or IC.