| Description | Number Assignment | Additional Notes |
| User Ext | 101, 102…..unless otherwise advised | |
| Conference | 600 | |
| Call Park | 701,702,703,704 | |
| AA | 800, 801….. | |
| Call Queue | 850, 851….. | |
| Doorbell and Doorbell Ans rules | 2000,2001…. | |
| Activate Night Mode | *123 | this has to be created on the back-end upon request per Domain |
| De-activating Night Mode | *321 | this has to be created on the back-end upon request per Domain |
| Activate different devices for a user | *ext1 , *ext2 (e.g.*1031) | this has to be created on the back-end upon request per Domain |
| do no create ext ids starting with 91x or 41x (per Shmuel) | ||