For the sender If a customer wishes to do an IMPS transaction through a mobile phone, he or she must first register under Mobile Banking. However, Mobile registration is not needed for phone, ATM, or bank branch channels. For the Receiver For getting payments, get MMID from the bank and share it with the sender, or alternatively, share Bank account details, IFSC, or Aadhaar number. The receiver will have to register his or her phone number to receive transaction-related SMS notifications.