MTN Who Called is a FREE missed call alert service that provides you with details of calls you missed while your number was switched off or out of network coverage. You will receive free SMS message containing the caller’s phone number, the number of missed calls from that number and date and time of the last call.
Y’ello! You have 1 missed call from +2348031234567 received at: 03:05:2011 12:21:13.
There are two options available to you when subscribing for these services. These are:
MTN Who Called.
MTN Who Called with Notify Me.
To activate the Who Called Service free of charge, simply send the key word of your desired option by SMS to 100. For Example:
To activate MTN Who Called with Notify Me, text SET 01 to 100.
To activate MTN Who Called, text SET 02 to 100.
How do I check if you already have the service on your phone?
To check your status, text the word STATUS to 100 and you will receive the following message: Y’ello! 803xxxxxxx has an active Who Called service.
How to cancel the service
To cancel the service, text the word DELETE to 100.