First of all, you should become a registered member of Mobile Spy software by paying its fee. They have different packages for different period like three month package, six month package and a yearly package.
You should try to get the latest version of the software as it will help you in tracking the mobile activities of your husband in the most effective manner.
Through this Mobile Spy software, you can track the details of SMS and GPS. However, you will not be able to listen to calls as it is designed to track only phone number including the numbers of missed calls, dialled calls and received calls.
Mobile Spy enables you to get information about the mobile activities and the location of your husband with regular intervals of 30 minutes.
After paying the registration fee to Mobile Spy, you will be provided with the login details and will be directed to put these details into your account at their website. Here you will receive all information of mobile activities and location of your husband.