I comparing peak costs from various services and find the following. Comments & corrections appreciated!

Mweb VOIP Destination Peak Rate Off Peak Rate
SA Mobile - Vodacom 0.95 0.86
SA Mobile - MTN 0.95 0.86
SA Mobile - Cell C 1.12 1.00
SA Mobile 8.ta 1.19 1.07
Telkom Landlines 0.39 0.18
MWEB FREE FREE
MTN Anytime 50 In-Bundle Rate Out of Bundle Rate
2.30 2.85
MTN Pay as you go Peak Standard
MTN to MTN 2.50 2.50
MTN to Other 3.00 3.00
Telkom Local calls 0.57
Cell 1.40