Pager Text Notify feature
From Zenitel Wiki
| Feature: | Pocket Paging - With text message |
| Default directory number: | 44 - during conversation |
| Feature number: | 57 |
| Parameter 1: | 0 (N/A) |
| Description: | During conversation, dial 44 to activate the user’s pocket pager. The pager display will show the number of the calling station. |