Interface IVoiceCallProvider

Core interface for telephony providers.

Implementations wrap provider-specific SDKs (Twilio REST API, Telnyx Call Control v2, Plivo Voice API) and normalize all interactions to this contract.

Example

class TwilioProvider implements IVoiceCallProvider {
  readonly name = 'twilio';

  async initiateCall(input: InitiateCallInput): Promise<InitiateCallResult> {
    const call = await this.client.calls.create({
      to: input.toNumber,
      from: input.fromNumber,
      url: input.webhookUrl,
      statusCallback: input.statusCallbackUrl,
    });
    return { providerCallId: call.sid, success: true };
  }
  // ...
}
interface IVoiceCallProvider {
    name: VoiceProviderName;
    verifyWebhook(ctx): WebhookVerificationResult;
    parseWebhookEvent(ctx): WebhookParseResult;
    initiateCall(input): Promise<InitiateCallResult>;
    hangupCall(input): Promise<void>;
    playTts?(input): Promise<void>;
    startListening?(input): Promise<void>;
    stopListening?(input): Promise<void>;
}

Implemented by

Methods

verifyWebhook parseWebhookEvent initiateCall hangupCall playTts? startListening? stopListening?

Properties

name

Methods

verifyWebhook

parseWebhookEvent

initiateCall

hangupCall

Optional playTts

Optional startListening

Optional stopListening

Properties

Readonly name

name: VoiceProviderName

Provider identifier.

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verifyWebhookparseWebhookEventinitiateCallhangupCallplayTtsstartListeningstopListeningname