There are many situations in which we cannot, or do not want to answer the phone, and yet we must notify that we
cannot answer simply because of education or, so that the caller is informed that they cannot answer the call at that
time. and that he will do it as soon as he can, or, that he doesn't want me to call him anymore,
With "Then I reply SMS" you have 3 options:
1 Prepare an SMS for whoever calls at any time
2 Prepare an SMS for someone in particular when
3 Prepare an SMS for the caller and someone in particular at any time
He is driving.
He expects someone in particular to call him and he knows that he will not be able to attend to him.
He is in a meeting
He is at the movies.
He is doing sports.
He is ill and does not feel like answering and simply wants them to know how he is today.
He is resting.
They are calling you to sell you a product insistently.
...and many more