Object: Electronic Auction - Technical Support And Manufacturer Warranty Services For The Mitel Mx-One Telephone Exchange Solution, Version 7.X, And Its Related Systems, Which Make Up The Trf4 Ip Telephony Network, For 12 (Twelve) Months, Covering Labor, Corrective And Evolutionary Maintenance, Software Updates And Technical Support - Software Assurance, As Well As The Provision Of A Telephone Billing Solution Unit (Software) Compatible With The Central.