Object: Electronic Auction - Rental Of Ip Telephony Exchange With The Following Functionalities: - Voice Input Technology: Sip; - Configuration Of Up To 50 Sip Extensions; - Use License: For Up To 60 Callcenter Operators. - Alarm Monitoring; - Wave Call Recording; - Consultation And Recovery Of Calls Through A Management System; - Issuance Of Real-Time Reports On The Operation Of The Center