| English | Spanish | |
|---|---|---|
| Computer | ||
| Computer | grade channel subvoice | canal de rango subvocal |
| Computer | voice-grade channel | canal de rango vocal |
| Computer | voice-grade channel | canal de rango vocal |
| Engineering | ||
| Engineering | voice grade channel | canal telefónico |
| Engineering | voice grade channel | banda telefónica |
| Engineering | grade channel | ancho de banda del canal |
| Engineering | subvoice grade channel | canal de calidad subvocal |
| Telecom | ||
| Telecom | voice grade channel | canal telefónico |
| Telecom | voice grade channel | canal de calidad telefónica |
| Telecom | voice grade channel | banda telefónica |
| Transportation | ||
| Transportation | standard-grade performance channel | canal de calidad funcional normal |
| Petrol | ||
| Petrol | voice-grade channel | vía telefónica |
