BILLING SERVICES

AUDIO TELECONFERENCING; ELECTRONIC TRANSMISSION OF MESSAGES AND DATA; ELECTRONIC VOICE MESSAGING, NAMELY, THE RECORDING, STORAGE, AND SUBSEQUENT TRANSMISSION OF VOICE MESSAGES BY TELEPHONE; FACSIMILE TRANSMISSION; TELECOMMUNICATIONS SERVICES, NAMELY, PROTOCOL CONVERSION SERVICES TRANSLATING MESSAGES AND INFORMATION BETWEEN VARIOUS TELECOMMUNICATIONS PROTOCOLS OR LANGUAGES; TELECOMMUNICATIONS SERVICES, NAMELY, PROVIDING A SUBSCRIPTION-BASED, ON-LINE INTERFACE FOR PROTOCOL-BASED COMMUNICATIONS, AND ELECTRONIC TRANSFER OF ENCRYPTED DATA BETWEEN SUBSCRIBERS AND ELECTRONIC MAIL AND MESSAGING SERVICES; TELECOMMUNICATIONS SERVICES, NAMELY, PROVIDING TELECOMMUNICATIONS CONNECTIONS TO A COMPUTER NETWORK THAT PROVIDES INTELLIGENCE AND/OR APPLICATION PROCESSING IN DATA NETWORK, SUCH AS PROTOCOL CONVERSION, REFORMATTING OR MESSAGE, AND NETWORK SECURITY; TELECOMMUNICATIONS SERVICES, NAMELY, PROVIDING A COMPUTER INTERFACE FOR CONNECTING INTERNETWORK PROTOCOL (IP) BASED SOLUTIONS TO IP DATA TRANSPORT NETWORKS; TELECOMMUNICATIONS SERVICES, NAMELY, CONVEYING TELEPHONE CALLS OVER A GLOBAL COMPUTER NETWORK AND GLOBAL COMPUTER NETWORK TELEPHONY SERVICES, NAMELY, ROUTING AND AUTHENTICATION FOR TELEPHONE CALLS SENT OVER A GLOBAL COMPUTER NETWORK USING THE INTERNET PROTOCOL