AASTRA 4187 Plus for BusinessPhone User Guide EN - Manual (Page 68)

Least Cost Routing
BusinessPhone – Dialog 4187 Plus 68
Least Cost Routing
Least Cost Routing (LCR) automatically selects the cheapest way
to establish the connection to the desired external number. Please
ask your system administrator if this function is installed in your
system. If the extension has been configured to use LCR, each
external call will be analyzed and the cheapest way will be selected.
Use Least Cost Routing u
Lift the handset.
0 z
Dial the digit(s) for external line access and the desired public
number.
The usual way of making an outgoing external call.
Note: Which digit to press for external line access depends
on the configuration of the system.
Calling Least Cost Routing
If LCR has been installed in your system, but your extension is not
configured to use it automatically, you also have the opportunity to
get the cheapest connection by dialling the LCR code before you
dial an external number. u
Lift the handset. z
Dial the LCR code.
Please ask your system administrator for the LCR code. 0 z
Dial the digit(s) for external line access and the desired public
number.
Note: Which digit to press for external line access depends
on the configuration of the system. You can also place the
LCR code on a programmable key.