איך לחייב לקוחות להשאיר מספר טלפון בקניה באתר

If you have a PayPal business account, then you can require customer phone numbers from your PayPal account settings.
Steps:Log in to your PayPal account at paypal.com.
Click the gear icon and select Account Settings.
Click Website payments.
Beside Website preferences, click Update.
In Contact telephone number, choose an option for Contact telephone:
On (Optional Field) – adds the phone number field to your checkout but it is not required for checking out.On (Required Field) – requires that your customers enter their phone number when checking out.Off – removes the field completely.Requiring a phone number on checkout usually decreases conversions and sales. Many people don't like to give out contact information. Unless you absolutely need the phone number, you should choose On (Optional Field).