Reserved Extensions Suffixes

  • Last updated on August 6, 2024 at 6:08 PM

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.

Suffix
Use case (reserved for)
mReachUC Mobile / UC Client Mobile
nReachUC Connector
tMicrosoft Teams Integration
wUC Client Web / Progressive Web App (PWA)


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