 |
| |||
| operator talk-key (ssn); operator talkkey (ssn) | |||
| |||
| operator talk key (ssn); operator talkkey (ssn) | |||
| operator: 5 phrases in 4 subjects |
| Abbreviation | 2 |
| Business | 1 |
| Information technology | 1 |
| Telecommunications | 1 |
|
| |||
| operator talk-key (ssn); operator talkkey (ssn) | |||
| |||
| operator talk key (ssn); operator talkkey (ssn) | |||
| operator: 5 phrases in 4 subjects |
| Abbreviation | 2 |
| Business | 1 |
| Information technology | 1 |
| Telecommunications | 1 |