| Source | Target | | digital private network signaling system | sistema de sinalização de rede digital particular |
| ordinary private call | chamada particular ordinária |
| private automatic branch exchange (pabx) | cpct tipo pabx |
| private automatic branch exchange | cpct (sigla de central privada de comutação telefônica) |
| private branch exchange (pbx) | central de comutação particular |
| private branch exchange trunk | tronco de cpct |
| private branch exchange, private exchange | central privada de comutação telefônica (cpct) |
| private business lines | linhas privadas comerciais |
| private correspondente | correspondência privada |
| private exchange trunk line | linha tronco de cpct |
| private library | biblioteca particular |
| private limited service | serviço limitado privado |
| private line service | serviço telefônico de linha privada |
| private line | linha privada |
| private line | linha privativa |
| private line, private wire, tie line | linha privativa (lp) |
| private line, tie trunk, interswitchboard line | tronco privativo |
| private listing | listagem privativa |
| private operating agency | empresa privada |
| private operation | exploração privada |
| private outside plant facilities | rede externa privativa |
| private pbx extension | ramal restrito em cpct |
| private telegrams | telegramas particulares |
| private telegraph network | rede telegráfica privada |
| private telex central office | centro telex particular |
| private virtual nework | rede virtual particular |
| private volume | volume privado |
| recognized private operating agency | empresa privada reconhecida |
| recognized private operation | exploração privada reconhecida |
| urgent private call | chamada particular urgente |
