Hi, I have Lync on-premise integrated with office 365 (lync online and exchange online). I have deployed and autoattendant and this was working about one year.
Yesterday, the autoattendant began fail, when route the calls or call to the extension number assigned I receive this message "Sorry, a system error ocurred, please try again later" .
I make some tests, reconfigure the autoattendant, create another DialPlan with one new autoattendant and the problem was the same. But I detect the next:
I have my autoattendant configured in Español-MX idiom, but if I change the languaje to English-United Stated the problem dissapear!!, but I can't leave this in English, because some audios are not customizable.
Office 365 support said: whe don´t support Unified Messaging!!!! contact premier support!
Whe don´t have any changes to our on-premise or online configurations.
Any Idea....