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Fix "Twilio.Exceptions.ApiException: Account not allowed to call" #1418

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Merged
yileicn merged 2 commits into from
Sep 3, 2026
Merged

Fix "Twilio.Exceptions.ApiException: Account not allowed to call" #1418

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272cd86
GTR-13432
Sep 3, 2026
6be256a
Merge branch 'SciSharp:master' into master
adenchen123 Sep 3, 2026
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34 changes: 24 additions & 10 deletions src/Plugins/BotSharp.Plugin.Twilio/OutboundPhoneCallHandler/Functions/OutboundPhoneCallFn.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@
using BotSharp.Plugin.Twilio.Interfaces;
using BotSharp.Plugin.Twilio.Models;
using BotSharp.Plugin.Twilio.OutboundPhoneCallHandler.LlmContexts;
using Twilio.Exceptions;
using Twilio.Rest.Api.V2010.Account;
using Twilio.TwiML.Messaging;
using Twilio.Types;
Expand All @@ -18,6 +19,9 @@ namespace BotSharp.Plugin.Twilio.OutboundPhoneCallHandler.Functions;

public class OutboundPhoneCallFn : IFunctionCallback
{
// https://www.twilio.com/docs/api/errors/21215
private const int TwilioGeoPermissionNotAllowedErrorCode = 21215;

private readonly IServiceProvider _services;
private readonly ILogger<OutboundPhoneCallFn> _logger;
private readonly BotSharpOptions _options;
Expand Down Expand Up @@ -107,16 +111,26 @@ public async Task<bool> Execute(RoleDialogModel message)
}

// Make outbound call
var call = await CallResource.CreateAsync(
url: new Uri(processUrl),
to: new PhoneNumber(args.PhoneNumber),
from: new PhoneNumber(_twilioSetting.PhoneNumber),
statusCallback: new Uri(statusUrl),
// https://www.twilio.com/docs/voice/answering-machine-detection
machineDetection: _twilioSetting.MachineDetection,
machineDetectionSilenceTimeout: _twilioSetting.MachineDetectionSilenceTimeout,
record: _twilioSetting.RecordingEnabled,
recordingStatusCallback: $"{_twilioSetting.CallbackHost}/twilio/record/status?agent-id={message.CurrentAgentId}&conversation-id={newConversationId}");
CallResource call;
try
{
call = await CallResource.CreateAsync(
url: new Uri(processUrl),
to: new PhoneNumber(args.PhoneNumber),
from: new PhoneNumber(_twilioSetting.PhoneNumber),
statusCallback: new Uri(statusUrl),
// https://www.twilio.com/docs/voice/answering-machine-detection
machineDetection: _twilioSetting.MachineDetection,
machineDetectionSilenceTimeout: _twilioSetting.MachineDetectionSilenceTimeout,
record: _twilioSetting.RecordingEnabled,
recordingStatusCallback: $"{_twilioSetting.CallbackHost}/twilio/record/status?agent-id={message.CurrentAgentId}&conversation-id={newConversationId}");
}
catch (ApiException ex) when (ex.Code == TwilioGeoPermissionNotAllowedErrorCode)
{
_logger.LogWarning(ex, "Not allowed to call {PhoneNumber}", args.PhoneNumber);
message.Content = $"Not allowed to call {args.PhoneNumber}.";
return false;
}

if (call.Status == CallResource.StatusEnum.Queued)
{
Expand Down
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