| 383401 | CMX602BE4 | Calling line identifier plus call waiting | MXCOM |
| 383402 | CMX605 | Digital Line to POTS Interface | CML |
| 383403 | CMX605 | Digital Line to POTS Interface | CONSUMER MICROCIRCUITS LIMITED |
| 383404 | CMX605 | Digital-To-Analogue Line Interface Device - with DTMF Decoder | CONSUMER MICROCIRCUITS LIMITED |
| 383405 | CMX605 | Digital Line to POTS Interface | MXCOM |
| 383406 | CMX605D4 | Digital line to POTS interface | MXCOM |
| 383407 | CMX605P3 | Digital line to POTS interface | MXCOM |
| 383408 | CMX612 | Calling Line Identifier with VMWI | CML |
| 383409 | CMX612 | Calling Line ID with VMWI | CONSUMER MICROCIRCUITS LIMITED |
| 383410 | CMX612 | Calling Line Identifier with VMWI | MXCOM |
| 383411 | CMX615 | Digital Line to POTS Interface | CML |
| 383412 | CMX615 | Digital Line to POTS Interface | CONSUMER MICROCIRCUITS LIMITED |
| 383413 | CMX615 | Digital Line to POTS Interface | CONSUMER MICROCIRCUITS LIMITED |
| 383414 | CMX615 | Digital Line to POTS Interface | MXCOM |
| 383415 | CMX615D4 | Digital line to POTS interface | MXCOM |
| 383416 | CMX615P3 | Digital line to POTS interface | MXCOM |
| 383417 | CMX624 | V.23/Bell 202 Modem | CML |
| 383418 | CMX624 | Bell 202 and V.23 Modem with Call Progress and DTMF | MXCOM |
| 383419 | CMX624D2 | V.23/Bell 202 modem | CONSUMER MICROCIRCUITS LIMITED |
|
| 383420 | CMX624D2 | Bell 202 and V.2 modem with call progress and DTMF | MXCOM |
| 383421 | CMX624D5 | V.23/Bell 202 modem | CONSUMER MICROCIRCUITS LIMITED |
| 383422 | CMX624D5 | Bell 202 and V.2 modem with call progress and DTMF | MXCOM |
| 383423 | CMX624P4 | V.23/Bell 202 modem | CONSUMER MICROCIRCUITS LIMITED |
| 383424 | CMX624P4 | Bell 202 and V.2 modem with call progress and DTMF | MXCOM |
| 383425 | CMX625 | ISDN TA POTS Interface | CML |
| 383426 | CMX625 | ISDN TA POTS Interface | CONSUMER MICROCIRCUITS LIMITED |
| 383427 | CMX625 | ISDN TA POTS Interface | CONSUMER MICROCIRCUITS LIMITED |
| 383428 | CMX625D5 | ISDN TA pots interface. | CONSUMER MICROCIRCUITS LIMITED |
| 383429 | CMX625P4 | ISDN TA pots interface. | CONSUMER MICROCIRCUITS LIMITED |
| 383430 | CMX631A | Low Voltage SPM Detector | CML |
| 383431 | CMX631A | SPM Detector | CONSUMER MICROCIRCUITS LIMITED |
| 383432 | CMX631A | Low Voltage SPM Detector | MXCOM |
| 383433 | CMX631AD4 | Low voltage SPM detector | MXCOM |
| 383434 | CMX631AD5 | Low voltage SPM detector | MXCOM |
| 383435 | CMX631AP3 | Low voltage SPM detector | MXCOM |
| 383436 | CMX635 | ISDN Subscriber Processor | CML |
| 383437 | CMX635 | ISDN Subscriber Processor | CONSUMER MICROCIRCUITS LIMITED |
| 383438 | CMX635 | ISDN Subscriber Processor | CONSUMER MICROCIRCUITS LIMITED |
| 383439 | CMX635L4 | ISDN subscriber processor. | CONSUMER MICROCIRCUITS LIMITED |
| 383440 | CMX639 | Consumer / Commercial CVSD Digital Voice Codec | CML |
