communications▌

Multi-channel communication platform: SMS, voice calls, WhatsApp, and 2FA verification. \n \n Covers SMS sending with E.164 validation, message segmentation awareness, and delivery callbacks; supports 80 messages per second default rate limit \n Twilio Verify service for OTP and 2FA across SMS, voice calls, email, and WhatsApp with built-in fraud prevention and rate limiting \n TwiML-based IVR systems using XML markup for voice menus, keypad/speech input gathering, call routing, and voicemail re

Basic pattern for sending SMS messages with Twilio. Handles the fundamentals: phone number formatting, message delivery, and delivery status callbacks.