| Subject | English | French |
| commun. | circuit mode 64 kbit/s unrestricted bearer service | service support sans restriction en mode de circuit à 64 kbits/s |
| commun., IT | circuit mode,64 Kbits/s,8 KHz structured bearer service for transmission of speech signals | service support mode circuit à 64 Kbit/s pour la parole et structuré à 8 Khz |
| commun., IT | circuit mode,64 Kbits/s 8 KHz-structured bearer service,for transmission of audiofrequency information | service support mode circuit à 64 Kbit/s,pour audiofréquences,structuré à 8 Khz |
| commun. | circuit mode 3.1 kHz audio bearer service | service support audio en mode de circuit à 3,1 kHz |
| commun., IT | circuit mode switched service | service commuté en mode circuit |
| IT | circuit mode switching | commutation en mode circuit |