SMS Automatic Reply

What use can I give?
It just depends on your creativity. Below I'll just give three examples of the most common use.
Are you driving and you can not answer?
Only the active voice and anyone who emails you will ensure you received your message.
Are there problems with the delivery of messages?
Just activate the voice mail automatically when you receive a message, the sender receives a delivery confirmation.
Have a meeting and you can not answer?
Just activate the voice mail automatically when you receive a message, the sender receives a personal reply.