The Supply, To The Transport Operators That Require It, Of Sims Cards, And The Provision Of Mobile Communications Services, So That Vehicles Equipped With Saei Of The Atm Can Communicate With Central Systems. The Following List Shows The Main Services To Be Provided In The Framework Of This Tender (Non -Exhaustive List): - Tunnel Configuration - Initial Installation Of The Sims In The Boarded Equipment - Availability Of Sims Disabled For Future Needs - Monthly Data Plan And Voice - Ipsec Dedicated Connectivity - Access To Sims Management Platform, For Their Management And Configuration. - Support And Maintenance The Detail Of The Supply And The Servings Of This Tender Is Determined In The Specific Technical Prescriptions (Pptp), More Specifically In Sections 2, 3 And 4.