| German | English |
| C-Netz | C-Net |
| C-Netz | C network (analog cellular RT network corresponding to GB 'Cellnet', 450 MHz, from 1986, being replaced by 'C-Tel', q.v.; s.a. 'D-Netz') |
| C-Netz-Telekom | mobile network C ('C-Netz' upgrade, otherwise identical, privacy protection by signalling measures and voice encryption, 1995) |