Toggle feature on/off feature
From Zenitel Wiki
| Feature: | Toggle feature in/out of COS 1 |
| Default directory number: | 7873 |
| Feature number: | 37 |
| Parameter 1: | 0/1 = Toggle in/out of COS 1 (7873) 2 = Add to COS 1 |
| Description: | Dial 7873 + directory number. This will toggle the feature in ot out of Class of service 1. Example: 7873 + 785 will toggle the Set Time feature in or out of COS 1. The station dispaly will show if the feature is in or out. |