Open Procedure Tender Pursuant To Legislative Decree 36/2023 And Subsequent Amendments, Divided Into 7 Lots, For The Awarding Of A Framework Agreement For Each Lot Concerning Connectivity Services, Fixed Telephony Services, Security Services And Professional Services Within The Public Connectivity System (Spc) For Public Administrations – Edition No. 3 (Spc Ed. 3) – Id 2573