[otrs] Customer Interface

Hello, OTRS is working well now. But I have some problems use at the customer interface. For "Create New Ticket", I don't have entry for field "to": Therefore impossible to create a new ticket. The other problem is that one doesn't see the corresponding tickets. Both "My Tickets" that "Company Tickets" ! There are several customers in the same company. Therefore everyone should be able to see his own tickets to "My Tickets", and also tickets of any company to "Company Tickets". It's correct ? Thanks for your help. Regards, Benoit DAVAUT Adoptez l'éco-attitude. N'imprimez ce mail que si c'est vraiment nécessaire.