How to Register SMART Unlimited Calls for Only 20 pesos?

While trying to contact a friend using a newly purchased Smart SIM card, I've found out that Smart offers an unlimited call for 24 hrs, for only 20 pesos! The promo is good for calling your 6 Smart/Talk N' Text friends!



To register, just simply text "TALK20" and send to "6630". A notification will be sent to the subscriber that he/she has registered. To call, just dial *6630 + 11-digit SMART/TNT number. Example: *663009191234567.

Before acquiring the promo, there are few important reminders to consider. 
1. Only Smart Buddy Subscribers can avail the promo.
2. A minimum of 20 pesos airtime balance is required for registration.
3. Registered subscribers can have unlimited calls Only to the first 6 SMART/TNT numbers they would call.
4. Checking all 6 numbers of your friends can be done by sending MYGRP to 6630.
5. Transactions made in other networks while registered to SMARTTalk 20 will be taken from the remaining load.
6. For SMS transactions while registered to SMARTTalk 20, deductions will be taken from regular load.
7. Simultaneous registration to SMARTTalk 20 with other SMART unlimited call promos is not allowed.
8. SMARTTalk 20 may not be used for international transactions. It could only be used for peer-to-peer transactions and not for business purposes or spamming.