You can do so by dialling *500*00# and then selecting the menu option COP & PULSE followed by the menu option PULSE EXCHANGE. You can also exchange via SMS by texting EXCHANGE to 99858.
You can do so by dialling *500*00# and then selecting the menu option COP & PULSE followed by the menu option PULSE EXCHANGE. You can also exchange via SMS by texting EXCHANGE to 99858.