in How do I?
In order to set-up auto reply sms to caller, you need to first login to your MissDial account, and must have available sms credits in your account.

After login navigate to Trigger.

There on the right hand side you will find option to add trigger, click on it.

add_trigger

A new window will open where you will be asked to select event(select missed call) and press next arrow.

trigger_step_1

On the next screen, select event type(select sms) and press next arrow.

trigger_step_2

Select to whom do you want to send auto sms(select caller)

trigger_step_3

Enter the desired sms content to be sent as an auto-reply, and click preview.

auto-reply-sms-content

In case you need to add some variables in the auto reply sms, click on the appropriate links to insert the variables in sms content. Click on preview button.

On the next screen verify the details and click on submit.