MTN finally shakes-up their Smooth talk plus tariff plan, allowing users to enjoy calls at a flat rate of 15k/s across all local networks after the first minutes of the at 40k/s. This entails that once you’ve consumed the first 40k/s for the first minute of the day, you’ll be charged 15k/s for any national calls to local networks.The MTN smooth talk plus serves as the best alternative to MTN true