| Portuguese | English |
| call center | call center (A facility in which an organization's telephone calls are answered and made, including helpdesk and service lines. Call centers usually use some amount of computer automation) |
| "cavalo de Troia "call-home" | call-home Trojan (A type of Trojan malware that connects to a remote server through a stealth connection and that notifies the server that the malware has been installed) |
| Remote Function Call | Remote Function Call (A SAP protocol that enables external systems to call SAP ABAP function modules. RFCs enable remote calls between two SAP systems or between a SAP system and a non-SAP system) |
| Windows Live Call | Windows Live Call (The Windows Live service that allows users to make computer-to-computer or computer-to-phone calls. Users must be signed in to Windows Live Messenger to use it) |
| Órbita do Call Park | Call Park orbit (A number assigned to a parked call by the Call Park application) |
