Located: C:\Scripts\siptesterclient
TeamsOut = caller
TeamsIn = destination account/number
.\SipTesterClient.ps1 -TeamsOutUsername user@xxxxx.onmicrosoft.com -TeamsOutPassword xxxxxx -TeamsInUsername user@xxxxx.onmicrosoft.com -TeamsInPassword xxxxxxx -DestinationNumber +6129xxxxxxx -Verbose