Even so that is only an incremental change. Nothing transformative to the entire business. Maybe if you analyzed Telkom in isolation if they had no competition it would have made a difference. But look at what their competitors do. Vodacom's infrastructure investment is R9 billion for the year, on top of the R7 billion that is being paid for Neotel (which as an organization is also relieved from its debt with the deal). And Vodacom is not doing that just to allow pre-paid customers make more voice calls. Then there are a million smaller players doing interesting things as well - from deploying fiber in the metros to gated communities. 2500 MSANs against what Telkom is facing is decorative only. It will have little no effect without a lot of other things falling into place.
And it is not if they are deploying these MSANs fast either.