Bids Are Invited For Hiring A Company For The Provision Of Fixed Telephone Services (Stfc), In The Unlimited Traffic Mode Of Local And National, Fixed And Fixed-So-Based Connections Based On Sip Protocol, Voip (Voice On Ip) Technologies, Including Virtual Pabx Services, Cloud Telephone Management Software, With Implementation, Support, Maintenance, Lending Equipment And All The Necessary Inputs And All The Necessary Supplies For The Digital Operation Of The Solution, As Well As The Provision Of All Digital Telephone Services, Allowing, Preferably The Portability Of The 32 Existing Numbers, Including Online Service Solution, Through Electronic Messages, Compatible With The Whatsapp Business Api Platform, To Serve The Ant City Hall