Chamatkari Telephone was an Indian animated television series that aired on DD National

DD National

DD National or DD1 is Doordarshan's flagship channel and the most widely available terrestrial television channel in India.-The Early Years:...

channel in early 90s. The title song was:
"Sally, Meg and Jonathan, muskano ka baatein dhan..pyar bhara unka Telephone..Chamatkari Telephone.........'

Plot

The story is of 3 kids: Sally, Meg, and Jonathan. One day they find a telephone set, which turns out be a Magical Telephone. Wishes expressed via mouthpiece of the phone come true. They use this phone to make their wishes true. Whenever they expresses any wish to the telephone a voice accepts and grants the wish or gives suggestions.

In this manner there were many episodes and each episode used to come with one or two problems and how they used to tackle it with the help of Telephone.