Providing private and secure real time electronic communication over a computer network; Communication services, namely, electronic transmission of data and documents among users of computers; Information transmission via electronic communications networks; Transmission of information by electronic communications networks; Electronic transmission for others of securities and financial information via computer linking services, namely, communicating and routing trade information involving orders, entry and execution services, to others via a global computer network; Providing virtual private network (VPN) services, namely, private and secure electronic communications over a private or public computer network; Electronic data interchange services in the field of healthcare transactions such as claims, eligibility, claim status, electronic remittance advice, prior authorizations, attachments and referrals that allow direct transaction and payment communications between healthcare providers and payers
Telecommunications