特立尼达和多巴哥短信最佳实践、合规性和功能

import * as Twilio from 'twilio';

// Initialize client with environment variables
const client = new Twilio(
  process.env.TWILIO_ACCOUNT_SID,
  process.env.TWILIO_AUTH_TOKEN
);

async function sendSMSTrinidad(
  to: string,
  message: string,
  from: string
): Promise<void> {
  try {
    // Format number to Trinidad and Tobago format
    const formattedNumber = `+1868${to.replace(/\D/g, '')}`;
    
    // Send message
    const response = await client.messages.create({
      body: message,
      to: formattedNumber,
      from: from, // Your Twilio number or approved sender ID
    });
    
    console.log(`Message sent successfully! SID: ${response.sid}`);
  } catch (error) {
    console.error('Error sending message:', error);
    throw error;
  }
}

import { SinchClient } from '@sinch/sdk-core';

class SinchSMSService {
  private client: SinchClient;
  
  constructor() {
    this.client = new SinchClient({
      projectId: process.env.SINCH_PROJECT_ID,
      keyId: process.env.SINCH_KEY_ID,
      keySecret: process.env.SINCH_KEY_SECRET
    });
  }

  async sendSMS(to: string, message: string): Promise<void> {
    try {
      const response = await this.client.sms.batches.send({
        sendSMSRequestBody: {
          to: [`+1868${to.replace(/\D/g, '')}`],
          from: process.env.SINCH_SENDER_ID,
          body: message
        }
      });
      
      console.log('Message sent:', response);
    } catch (error) {
      console.error('Sinch SMS error:', error);
      throw error;
    }
  }
}

import { MessageBird } from 'messagebird';

class MessageBirdService {
  private client: MessageBird;
  
  constructor() {
    this.client = MessageBird(process.env.MESSAGEBIRD_API_KEY);
  }

  sendSMS(to: string, message: string): Promise<void> {
    return new Promise((resolve, reject) => {
      this.client.messages.create({
        originator: process.env.MESSAGEBIRD_ORIGINATOR,
        recipients: [`+1868${to.replace(/\D/g, '')}`],
        body: message
      }, (err, response) => {
        if (err) {
          console.error('MessageBird error:', err);
          reject(err);
        } else {
          console.log('Message sent:', response);
          resolve();
        }
      });
    });
  }
}

interface SMSError {
  code: string;
  message: string;
  timestamp: Date;
  recipient: string;
}

class SMSErrorHandler {
  private errors: SMSError[] = [];

  logError(error: SMSError): void {
    this.errors.push(error);
    // Log to monitoring system
    console.error(`SMS Error [${error.code}]: ${error.message}`);
  }

  async retryFailedMessages(): Promise<void> {
    // Implement retry logic with exponential backoff
  }
}