These feature bits control processing for the AMIS Analog or NP Forms optional features.
| Bit | Description | Required | Incompatible |
|---|---|---|---|
| 135 | Define template mailbox (NP Forms) | ||
| 139 | Template: Assume last greet mailbox FCOS | 135 | |
| 149 | Login to template through rotational mailbox | 135 | |
| 166 | AMIS Analog networking |