If you're sick and tired of those random calls interrupting your day — from companies trying to sell you something you never asked for — you're certainly not alone.

If you're sick and tired of those random calls interrupting your day — from companies trying to sell you something you never asked for — you're certainly not alone. Unwanted calls are on the rise, with Truecaller South Africa reporting a 25% increase in just one year. But here’s the bigger concern: spam calls may be more than just an irritation. Some could be the first step in a much more serious criminal scam.  Guest: Mmathebe Zvobwo: Director of Market Development for South Africa at Truecaller