I am using SuiteCRM 7.1.7, how to create new module with line items. Guide me to achieve the same.
This is not something that would be possible out of the box in SuiteCRM
This would require some decent PHP and JS knowledge and you would have to do some major code modifications if you want this for a custom module.
An easy way around this would be to modify the existing “Quotes” module to suit your needs.
You can try to download http://crm.place/modules/sugarcrm/multiphonefield-by-sugartalk/
and then (before installing it) look at the code to understand how it is implemented and modify it per your needs.
I recommend that you take a full back-up of both the whole SuiteCRM instance and its database before you do anything.