Auto attendant "not available" error when calling its assigned number

Occasional Visitor



I'm trying to setup a first "auto attendant" in Teams for our company but when I call the assigned number, it answer always with this audio error message "The AutoAttendantName auto attendant is unavailable ... please leave a message..." (translated from French).


In summary, this is what I did:


- request and get a block of 10 new phone numbers for our country/region (Belgium)

- acquire the additional O365 required licenses/subscriptions (phone system virtual user, calling credit)

- create a resource account in Teams admin portal of type "auto attendant"

- assign that resource account one of the 10 numbers we have obtained (with skype business legacy admin portal)

- create a new simple auto attendant using french locale, most of default options (for holidays, which users can be called, etc) and add a written text welcome message, a written menu text message, 2 dial options to redirect toward two company users


Anything I might have missed?


Also what is the delay between creating or changing resources and parameters in Teams/Skype admin portals (like creating users, addigning numbers, creating/modifying auto attendant, ...) and their effective implementation? I'm assuming 10-15 min max? Or can it be more?


Thanks in advance

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