AASTRA 4223 Professional for MD Evolution User Guide - Manual (Page 114)

Programming Your Extension
MD Evolution – Dialog 4223 Professional
114
To do this, once you have accessed programming mode:
PREFIXES Press the dynamic function key shown on the left.
>> Press the Next or >> key to consult your facility’s dialling
plan:
You may then scroll through your facility’s entire dialling plan. í
Press the “C” key to end the programming.
Programming
CALL_FWD PREFIXES VPAGING COST <