MTN Nigeria has announced a new service called MTN Beep Service. This is an auto- triggered beep call that allows customers who have run out of airtime, or those with insufficient airtime on their lines, to flash their loved ones. It will appear as a missed call on their number.
MTN Beep service will enable you reach out to their loved ones even with zero balance on their lines. All MTNN customers who have run out of airtime or have insufficient airtime balance to make a call can use this service.
More Points To Note
The service will apply both to on-net and off-net calls, i.e. MTN to MTN Calls and MTN to other local networks.
Also, kindly note that you will not be charged for using the MTN Beep service.
You can check here the for FAQ for more information and quick reference.