INDIA

Jio :: Set the Caller Tune from JioSaavn

Airtel :: Set the Caller Tune from Wynk

Vi :: Dial 53712323390

BSNL :: SMS BT 12323390 to 56700

BANGLADESH

GP :: WT (space) 10256461 & send to 24000

Robi :: GET (space) 10256461 & send to 8466

Airtel :: CT (space) 10256461 & send to 23123

Banglalink :: DOWN (space) 10256461 & send to 22222