Object: Electronic Auction - Price Registration To Hire A Company Specializing In Unlimited Fixed Switched Telephony Services (Stfc), Providing Sip Digital Trunking (Sip Trunk) For Agu Exchanges, In The Direct Dialing To Extension (Ddr) Mode. Includes Installation, Activation, Basic Subscription, Numbering Range, Local Traffic (Fixed-Fixed And Fixed-Mobile) And National And International Long Distance, As Specified In The Terms Of Reference, For A Period Of 36 Months (See Object Of The Tr)