2022-08-22: Typo error on the creation of the domain, new version 4.5.1 of the creation of the Routing
2022-07-01: Update all script to be compatible with version 4.5.0 of MicrosoftTeams Powershell Module, cf VoIP:Teams:News#Update_all_VTX_Powershell_scripts_to_last_version + VoIP:Teams:News#MicrosoftTeams_:_Install_the_module
2021-04-21: Update all powershell scripts to version 2.0 to make them compatible with MicrosoftTeams Powershell Module version 2.0.0
2020-11-20 : There is now a Video Training to present all setup provisioning steps, cf VoIP:Teams:News#Video_Training
2021-11-24 : New MS call antispam feature blocking too much calls, cf VoIP:Teams:News#Spam_Call_Blocking_-_Caller_being_asked_:_.22Please_press_XX_to_connect_the_call.22 
