- Joined
- Feb 1, 2018
- Messages
- 6
- Reaction score
- 1
Four of my extensions don't appear on the Extensions tab anymore after upgrading from version 15.5 and restoring with the backup file. Interestingly, they work, but I'm unable to edit them now...
Founded in 2005, when VoIP was an emerging technology, 3CX has gone on to establish itself as a global leader in business communications.