| Manufacturer | Part Number | Description |
|---|---|---|
Unisonic Technologies
| MC34018 | VOICE SWITCHED SPEAKER-PHONE CIRCUIT |
Motorola Semiconductor (now NXP Semiconductors)
| MC34018 | VOICE SWITCHED SPEAKERPHONE CIRCUIT |
Unisonic Technologies
| UTCMC34018 | VOICE SWITCHED SPEAKER-PHONE CIRCUIT |
