 |
| |||
| Digital-PBX; Digital-Private-Branch-Exchange m | |||
|
digital private branch exchange : 1 do fraz, 1 tematyki |
| Telekomunikacja | 1 |
|
| |||
| Digital-PBX; Digital-Private-Branch-Exchange m | |||
|
digital private branch exchange : 1 do fraz, 1 tematyki |
| Telekomunikacja | 1 |