your call. MTN LINE. Dail 121 receipient phone number then # MTN will verify the account balance of the receiver and the tariff plan as well the call receiver will be requested to kindly select from the option after the phone ringing Press 1 to accept the call Press 2 to reject the call Press 3 to accept the call and add your number to the white list Press 4 to reject the call and add your phone number to the black list (Block you from using the sponsor feature for the particular receiver in future). AIRTEL LINE. The Airtel is the deadly one they don’t ask whether you want to reject the call or not . and is also the simplest way. Simply dail # the recipient phone number. It is as simple as just add # before the phone number and dail. OR You can dail 777 followed by the recipient’s number. That is all GLO LINE. Dail 268 plus the recipient phone number e.g 2680805756….. . the receiver will be notified via customer cars voice after picking the call about the call terms. He or she may then decide to answer or reject the call. Thanks for reading, please don’t forget to share, like, follow and comment. Good day.