Telkom service is poor!

For months now I've been getting a bill for R199 for a line that I'm renting. Now if there is more money I owe Telekom according to the bill I received, why aren't you guys deducting the correct amount.? And trying to get through to the Telkom billing department is impossible been sitting for almost an hour on the line and you guys don't respond to emails? This is not on...