Do you have to use a long code with the short code?

Do you have to use a long code with the short code?

Q: Do you have to use a long code with the short code? I could not get the short code to work without coupling it with a long code campaign
A: Yes you need a longcode because there are certain advanced steps that require the long code numbers. For instance the notification function requires a long code number to call you. Right now the shortcode numbers can not make a call