| 206 C.U. | 6106-CU1 | $ 40.00 |
| 410 C.U. | 6110-CU1 | $ 95.00 |
| 820 C.U. | 6120-CU1 | $150.00 |
| 206 & 410 Power Supply | 332C | $ 30.00 |
| 820 Power Supply | 338X | $ 90.00 |
| Feature Cart. 1 | 6100-FC1 | $ 30.00 |
| Feature Cart. 2 | 6104-FC2 | $ 75.00 |
| Music On Hold Cart. | 6101-MOH | $ 30.00 |
| Music On Hold/Page Cart. | 6102-MHP | $ 50.00 |
| Extra Alert Cart. | 6103-EAP | $ 35.00 |
| 0x5 Module | 61218 | $ 40.00 |
| 2x0 Module | 61224 | $ 40.00 |
| 2x5 Module | 61219 | $ 40.00 |
| Extra Alert Bell | 61212 | $ 35.00 |
| Extra Alert Horn | 61213 | $ 35.00 |
| 820D Plus R1 C.U. | 6122-CU1 | $150.00 |
| 820D Plus R2 C.U. | 6122-CU2 | $150.00 |
| Power Supply | $ 50.00 | |
| 4 Line Module | 61225 | $ 95.00 |
| 10 Station Module | 61226 | $ 85.00 |
| Memory Module R1 | $ 65.00 | |
| Memory Module R2 | $125.00 | |
| Feature Cartridge/Memory Module | Battery Replacement Only | $ 25.00 |
