Customers complain that SMS billing is so convenient, why do they need to upgrade? How do you appease customers?

Just patiently explain the benefits of upgrading.

SMS billing service refers to proactively providing monthly phone bill information to customers who have subscribed to the service through SMS, and is sent regularly once a month.

There are many ways to provide bills, including traditional mailing methods, electronic bills, and mobile phone text message subscription. These three methods give customers more choices. SMS billing allows you to know the consumption situation of the previous month anytime and anywhere. As long as you handle the SMS billing business, you will know your monthly consumption clearly on a regular basis and adjust the tariff strategy in a timely manner. Effectively reduce your phone bill costs.