The contact that you add to your contact list must have a  account.  However, if your  contact does not have  a   account, you can use  to send your contact an e-mail invitation  to sign up for  .
Stik, ki ga dodate na seznam stikov, mora imeti račun . Če vaš stik nima računa lahko uporabite  in svojemu stiku pošljete e-poštno povabilo, da naj se vpiše v .