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| 1 | +using namespace System.Net |
| 2 | +using namespace System.Collections.Generic |
| 3 | + |
| 4 | +function Remove-CIPPUserTeamsPhoneDIDs { |
| 5 | + [CmdletBinding()] |
| 6 | + param ( |
| 7 | + $Headers, |
| 8 | + [parameter(Mandatory = $true)] |
| 9 | + [string]$UserID, |
| 10 | + [string]$Username, |
| 11 | + $APIName = 'Remove User Teams Phone DIDs', |
| 12 | + [parameter(Mandatory = $true)] |
| 13 | + $TenantFilter |
| 14 | + ) |
| 15 | + |
| 16 | + try { |
| 17 | + |
| 18 | + # Set Username to UserID if not provided |
| 19 | + if ([string]::IsNullOrEmpty($Username)) { |
| 20 | + $Username = $UserID |
| 21 | + } |
| 22 | + |
| 23 | + # Initialize collections for results |
| 24 | + $Results = [List[string]]::new() |
| 25 | + $SuccessCount = 0 |
| 26 | + $ErrorCount = 0 |
| 27 | + |
| 28 | + # Get all tenant DIDs |
| 29 | + $TeamsPhoneDIDs = New-GraphGetRequest -uri "https://graph.microsoft.com/beta/admin/teams/telephoneNumberManagement/numberAssignments" -tenant $TenantFilter |
| 30 | + |
| 31 | + if (-not $TeamsPhoneDIDs -or $TeamsPhoneDIDs.Count -eq 0) { |
| 32 | + $Result = "No Teams Phone DIDs found in tenant" |
| 33 | + $Results.Add($Result) |
| 34 | + return $Results.ToArray() |
| 35 | + } |
| 36 | + |
| 37 | + # Filter DIDs assigned to the specific user |
| 38 | + $UserDIDs = $TeamsPhoneDIDs | Where-Object { $_.assignmentTargetId -eq $UserID -and $_.assignmentStatus -ne 'unassigned' } |
| 39 | + |
| 40 | + if (-not $UserDIDs -or $UserDIDs.Count -eq 0) { |
| 41 | + $Result = "No Teams Phone DIDs found assigned to user: '$Username' - '$UserID'" |
| 42 | + $Results.Add($Result) |
| 43 | + return $Results.ToArray() |
| 44 | + } |
| 45 | + |
| 46 | + # Prepare bulk requests for all DIDs |
| 47 | + $RemoveRequests = foreach ($DID in $UserDIDs) { |
| 48 | + @{ |
| 49 | + id = $DID.telephoneNumber |
| 50 | + method = 'POST' |
| 51 | + url = "admin/teams/telephoneNumberManagement/numberAssignments/unassignNumber" |
| 52 | + body = @{ |
| 53 | + telephoneNumber = $DID.telephoneNumber |
| 54 | + numberType = $DID.numberType |
| 55 | + } |
| 56 | + } |
| 57 | + } |
| 58 | + |
| 59 | + # Execute bulk request |
| 60 | + $RemoveResults = New-GraphBulkRequest -tenantid $TenantFilter -requests @($RemoveRequests) |
| 61 | + |
| 62 | + # Process results |
| 63 | + $RemoveResults | ForEach-Object { |
| 64 | + $PhoneNumber = $_.id |
| 65 | + |
| 66 | + if ($_.status -eq 204) { |
| 67 | + $SuccessResult = "Successfully removed Teams Phone DID: '$PhoneNumber' from: '$Username' - '$UserID'" |
| 68 | + Write-LogMessage -headers $Headers -API $APIName -message $SuccessResult -Sev 'Info' -tenant $TenantFilter |
| 69 | + $Results.Add($SuccessResult) |
| 70 | + $SuccessCount++ |
| 71 | + } else { |
| 72 | + $ErrorMessage = if ($_.body.error.message) { |
| 73 | + $_.body.error.message |
| 74 | + } else { |
| 75 | + "HTTP Status: $($_.status)" |
| 76 | + } |
| 77 | + |
| 78 | + $ErrorResult = "Failed to remove Teams Phone DID: '$PhoneNumber' from: '$Username' - '$UserID'. Error: $ErrorMessage" |
| 79 | + Write-LogMessage -headers $Headers -API $APIName -message $ErrorResult -Sev 'Error' -tenant $TenantFilter |
| 80 | + $Results.Add($ErrorResult) |
| 81 | + $ErrorCount++ |
| 82 | + } |
| 83 | + } |
| 84 | + |
| 85 | + # Add summary result |
| 86 | + $SummaryResult = "Completed processing $($UserDIDs.Count) DIDs for user '$Username': $SuccessCount successful, $ErrorCount failed" |
| 87 | + Write-LogMessage -headers $Headers -API $APIName -message $SummaryResult -Sev 'Info' -tenant $TenantFilter |
| 88 | + $Results.Add($SummaryResult) |
| 89 | + |
| 90 | + return $Results.ToArray() |
| 91 | + |
| 92 | + } catch { |
| 93 | + $ErrorMessage = Get-CippException -Exception $_ |
| 94 | + $Result = "Failed to process Teams Phone DIDs removal for: '$Username' - '$UserID'. Error: $($ErrorMessage.NormalizedError)" |
| 95 | + Write-LogMessage -headers $Headers -API $APIName -message $Result -Sev 'Error' -tenant $TenantFilter -LogData $ErrorMessage |
| 96 | + throw $Result |
| 97 | + } |
| 98 | +} |
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