| Manufacturer | Part Number | Description |
|---|---|---|
MITEL
| MT88E45 | 4-Wire Calling Number Identification Circuit 2 |
Zarlink Semiconductor
| MT88E45 | 4-Wire Calling Number Identification Circuit 2 |
|
Zarlink Semiconductor
| MT88E45B | 4-Wire Calling Number Identification Circuit 2 |
