Object: Electronic Auction - Company Contracting For The Provision Of Installation System Services, Configuration, Activation And Maintenance Of The Voice Data Interconnection System, Through Network Segmentation (Vlans), Broadcast Control, Snoop Prevention, Sniffing, Spoofing And Loops (Spanning Tree Protocol (Stp), Trill, Trill (Transparent Interconnection Of Lots Links) Or Fabricpath), Without External Connection, With Asterisk, On Voip Server With Linux Operating System, And Monitor