Now you can send free SMS to any Airtel number using Airtel Gprs
STEP1) Go to http://10.5.45.107/wps/portal/!ut/p/wml/QkQ! Using Airtel live apn (access point) in case if this link doesn’t work http://live.airtelworld.com/
STEP2) Go to Games section.
STEP3) Scroll down and come to Airtel Recommends.
STEP4) Select the game what is listed.
STEP5) A new page will open scroll down Click recommend.
STEP6) Scroll down now you can see something like For Airtel Users only.
STEP7) now enter the phone number of your friend and the message.
STEP8) Click Proceed
STEP9) YOU ARE DONE .