Setting up Airtel Voice Mail For Free is Easy Activation / Deactivation: Airtel users can dial *321*671# from their mobile to activate voicemail free of cost. To deactivate dial *321*673#.  Activation and deactivation can be done only when the user is in India. Forward calls to voicemail: In your call forwarding settings, enter the FTN number to forward calls to voicemail under preferred forwarding category.  FTN Numbers: +91 9810098200 - For Delhi Circle +91 9945501491 - For Karnataka Circle +91 9815098250 - For Punjab Circle +91 9840011999 - For Chennai and Tamil Nadu Circle +91 8974012179 - For North East Circle / NE Circle   Access voicemail From Your mobile: To access the voicemails left by your callers, dial 52555 if you are in your home circle or dial the FTN (dial 9840011999 if you are a Tamil Nadu customers ) anywhere. Access voicemail From Any other landline or mobile: To access the voicemails from different landline or mobile, just dial your FTN number. It will...