Hello! Good question, you can ask whether the phone to call and enroll members, as far as I know it can not be on the phone call to enroll someone, but you have other methods with which to attract members ... eg X-Card, ECA Postcards to attract members to open their ECA or if you have your own ECA to buy something, a phone or other applications such as Viber, wathsapp skype you can use after you enroll members and thus help .nadam that I helped you at least a little