Domaći
| razina signala zvonjenja | ringing signal level | |
| razina upravljanja mrežom | network management layer | |
| razina upravljanja pojedinačnim elementima | element management layer | |
| razina usluge | grade of service | |
| razina usluge | level of service | |
| razina zagađenja | pollution level | |
| razina zaštite | level of protection | |
| razina znanja | knowledge level | |
| razina znanja | the knowledge level | |
| razinama | levels | |
| razine | level | |
| razine | levels | |
| razine 1-3 sustava signalizacije 7 | message transfer part | |
| razine evidencija i informacija | levels of register and information | |
| razine protokola | protocol layers |
