WhatsApp has revolutionised telemarketing. In 2026, it supplements or replaces cold calls with rich, asynchronous conversations. Agents can share brochures, videos, and links directly, schedule calls via chat, and provide instant documentation. This visual, less intrusive method respects the recipient’s time, leads to better-qualified appointments, and creates a digital paper trail, m... https://www.b2cdatabase.co/uk-whatsapp-number-list/