WhatsApp and spam calls cost Vodacom and MTN billions

• The cost of WhatsApp and spam calls to Vodacom and MTN is in the billions, primarily due to a decline in voice revenue driven by data-based calling through platforms like WhatsApp and Microsoft Teams.
• The decline in voice revenue is attributed to a shift in customer behavior, with users preferring data-driven communications, and growing concerns surrounding spam calls.
• Mobile network operators like MTN and Vodacom are working with regulators and industry bodies to create a safer communications environment, and encouraging customers to use call identification tools and remain cautious when sharing personal information online.