CMX644A и другие
| Компонент | Описание | Производитель | |
| CMX644A | V.22 and Bell 212A Modem |
CML Microcircuits |
 |
| CMX644AD2 | V.22 and Bell 212A Modem |
CML Microcircuits |
|
| CMX644AD5 | V.22 and Bell 212A Modem |
CML Microcircuits |
|
| CMX644AP4 | Bell 212A and V.22 modem with call progress and DTMF |
List of Unclassifed Manufacturers |
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