| 391401 | CMX625P4 | ISDN TA pots interface. | CONSUMER MICROCIRCUITS LIMITED |
| 391402 | CMX631A | Low Voltage SPM Detector | CML |
| 391403 | CMX631A | SPM Detector | CONSUMER MICROCIRCUITS LIMITED |
| 391404 | CMX631A | Low Voltage SPM Detector | MXCOM |
| 391405 | CMX631AD4 | Low voltage SPM detector | MXCOM |
| 391406 | CMX631AD5 | Low voltage SPM detector | MXCOM |
| 391407 | CMX631AP3 | Low voltage SPM detector | MXCOM |
| 391408 | CMX635 | ISDN Subscriber Processor | CML |
| 391409 | CMX635 | ISDN Subscriber Processor | CONSUMER MICROCIRCUITS LIMITED |
| 391410 | CMX635 | ISDN Subscriber Processor | CONSUMER MICROCIRCUITS LIMITED |
| 391411 | CMX635L4 | ISDN subscriber processor. | CONSUMER MICROCIRCUITS LIMITED |
| 391412 | CMX639 | Consumer / Commercial CVSD Digital Voice Codec | CML |
| 391413 | CMX639 | Consumer / Commercial CVSD Digital Voice CODEC | MXCOM |
| 391414 | CMX639D4 | CVSD digital voice codec | CONSUMER MICROCIRCUITS LIMITED |
| 391415 | CMX639D4 | Consumer/commercial CVSD digital voice CODEC | MXCOM |
| 391416 | CMX639E2 | CVSD digital voice codec | CONSUMER MICROCIRCUITS LIMITED |
| 391417 | CMX639E2 | Consumer/commercial CVSD digital voice CODEC | MXCOM |
| 391418 | CMX639P6 | CVSD digital voice codec | CONSUMER MICROCIRCUITS LIMITED |
| 391419 | CMX639P6 | Consumer/commercial CVSD digital voice CODEC | MXCOM |
|
| 391420 | CMX641A | DUAL SPM/SECURITY DETECTOR/GENERATOR | CML |
| 391421 | CMX641A | Dual SPM/Security Detector/Generator | CONSUMER MICROCIRCUITS LIMITED |
| 391422 | CMX641A | Dual SPM/Security Detector/Generator | CONSUMER MICROCIRCUITS LIMITED |
| 391423 | CMX641AD2 | Dual SMP/security detector/generator. | CONSUMER MICROCIRCUITS LIMITED |
| 391424 | CMX641AP4 | Dual SMP/security detector/generator. | CONSUMER MICROCIRCUITS LIMITED |
| 391425 | CMX644A | V.22 and Bell 212A Modem | CML |
| 391426 | CMX644A | V22 and Bell 212A Modem with DTMF Generator | CONSUMER MICROCIRCUITS LIMITED |
| 391427 | CMX644A | Bell 212A and V.22 Modem with Call Progress and DTMF | MXCOM |
| 391428 | CMX644AD2 | Bell 212A and V.22 modem with call progress and DTMF | MXCOM |
| 391429 | CMX644AD5 | Bell 212A and V.22 modem with call progress and DTMF | MXCOM |
| 391430 | CMX644AP4 | Bell 212A and V.22 modem with call progress and DTMF | MXCOM |
| 391431 | CMX649 | ADM Codec | CML |
| 391432 | CMX649D3 | ADM codec. | CONSUMER MICROCIRCUITS LIMITED |
| 391433 | CMX649E3 | ADM codec. | CONSUMER MICROCIRCUITS LIMITED |
| 391434 | CMX654 | V23 Transmit Modulator | CML |
| 391435 | CMX654 | V23 Transmit Modulator | CONSUMER MICROCIRCUITS LIMITED |
| 391436 | CMX654 | V.23 TRANSMIT MODULATOR | MXCOM |
| 391437 | CMX654D4 | V.23 transmit modulator | MXCOM |
| 391438 | CMX654P3 | V.23 transmit modulator | MXCOM |
| 391439 | CMX661 | PAIR GAIN DUAL SPM DETECTOR | CML |
| 391440 | CMX661 | Dual SPM Decoder for Pair Gain Applications | CONSUMER MICROCIRCUITS LIMITED |
