It must be entered as "d-f" where "d" is the first character and where "f" is the last character of of the region prefix in the formatted field.
For France, for example, if the phone number format is "[(33)]#[.]##[.]##[.]##[.]##", the formatted phone number will be (33)1.46.45.44.42 and the user will have to specify 5-5 to find 1 as a country code.
The DECOUPE(PAYS,TEL,INTER,REGION,NUTEL) (SUB-DIVISION(COUNTRY, TEL, INTER, REGION, TELNO.) sub-program From CONTNUM is used to find this information.
The general setup CTLTEL - Phone number control is used to completely deactivate the entry control of the phone number or even to carry out a control only during modification.