Extensions Theme
Adding or updating? For best practice use this pre-defined numerics.
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| User Extensions 3 digit or 4 digit | 100 – 899 1000 – 8099 |
| Door Bells | 8001 – 8999 |
| Additional Voicemail boxes | 900 – 999 |
| Times Frames | 2401 – 2499 |
| Route by Time | 2400 |
| Auto Attendants Business Hrs | 1200 – 1299 |
| Auto Attendants After Hrs | 1300 – 1399 |
| Auto Attendants Holidays | 1400- 1499 |
| Ring Groups | 6000 – 6499 |
| Queue’s | 6500 – 6999 |
| Conference Routing 02020202 | 4099 |
| Owned Conference Bridge Default User | 4098 |
| Prepend owned Conferences Host | 4 = extension |
| Call Park 1 (With Ring Back) | 721 |
| Call Park 2 (With Ring Back) | 722 |
| Call Park 3 (With Ring Back) | 723 |
Reserved Extensions Suffixes
Users have a primary extension and can have up to 9 other alternate extensions suffixed with a letter. For example, User 1000 may have a primary extension of ‘1000’ but can also have extensions such as ‘1000a’, ‘1000b’, and ‘1000c.’
Some extension suffixes are reserved for various systems’ usage. This article is to track extension suffixes that we recommend NOT deploying.
Contact support| Suffix | Use case (reserved for) |
|---|---|
| m | ReachUC Mobile / UC Client Mobile |
| n | ReachUC Connector |
| t | Microsoft Teams Integration |
| w | UC Client Web / Progressive Web App (PWA) |