| NTE Part No. |
Package Type | Description |
| 1648 | 8-Lead DIP | Telephone Ringer |
| 1649 | 8-Lead DIP | Telephone Ringer |
| 1690 | 16-Lead DIP | CMOS, Telephone Dual Tone Multi-Frequency Dialer (DTMF) |
| 1691 | 18-Lead DIP | Telephone Pulse Dialer (Vref) |
| 1692 | 18-Lead DIP | Telephone Pulse Dialer (Tone Output) |
| 1693 | 16-Lead DIP | CMOS, Telephone Pulse Dialer |
| 1731 | 16-Lead DIP | CMOS, 10 Number Dialer |