IT0105 (Communication)

Hi experts
I need to fill-in the following data of employees in IT0105 :
- Work phone number
- Private phone number
- Work e-mail
- Private e-mail
- System user
Which subtype should I choose for each one ?
In phone number , most typing the international calling code of country or not (example 00 1 for USA ) ?
Best Regards
Taher