Call-assisted reminder is a value-added service, which is realized by supplementary service of call forwarding. If you don't need or want to use the call assistant reminder version, you can apply to close the service. The specific closing method may vary from operator to operator. You can contact the customer service of the operator and ask them how to close the call assistant reminder version. Generally speaking, they will provide corresponding operating instructions to help close the business. So, if you want to turn off the call assistant reminder, you can do it.