| ComSwitch 660 Programming Codes |
| How to enter the programming mode: |
| 1. Disconnect the telephone line from TEL LINE IN |
| 2. Pick up the telephone and press (#) until clicking stops |
| 3. Enter the desired changes and press (*) |
| 4. When you hear 3 beeps, press the (*) key again |
| 5. Hang up the phone |
| 6. Connect the telephone line to TEL LINE IN |
Table 1
| Feature # | Feature | Factory Setting | Options |
| OFF | ON |
| 0 | Auto Ring Reduction | ON | 00 | 10 |
| 1 | Open Line Notification | OFF | 01 | 11 |
| 2 | Extension Detection | ON | 02 | 12 |
| 3 | TAD to FAX Transfer | OFF | 03 | 13 |
| 4 | Pulse Detection | ON | 04 | 14 |
| 5 | AutoFAX Transfer | ON | 05 | 15 |
| 6 | AutoFAX (CNG) Detection | ON | 06 | 16 |
| 7 | Reverse Modem Detection | OFF | 07 | 17 |
Table 2
| Feature Setting # | Feature Setting | Factory Setting | Options |
| 2 | FAX Access Code | 11 | 0 - 9999 |
| 3 | AUX Access Code | 22 | 0 - 9999 |
| 4 | Rings Before Answering | 01 | 1 - 99 |
| 5 | TAD / PHONE Ring Count | 06 | 0 - 99 |
| 6 | FAX / AUX Ring Count | 03 | 0 - 99 |
| 8 | Phantom Ring Type | 01 | 1 to 7 |
| 999 | Reset to Factory Settings |