 |
| |||
| central office; dial office; exchange; office; telephone central office; telephone exchange | |||
| switch | |||
| central telefónica: 8 phrases in 2 subjects |
| Communications | 7 |
| Microsoft | 1 |
|
| |||
| central office; dial office; exchange; office; telephone central office; telephone exchange | |||
| switch | |||
| central telefónica: 8 phrases in 2 subjects |
| Communications | 7 |
| Microsoft | 1 |