A system and method for providing user-configured telephone service to a user of a data network telephone. The user connects a data network telephone to the data network. The data network telephone registers with a telephone connection server to have basic calling service. The user accesses a service...http://www.google.com/patents/US6744759?utm_source=gb-gplus-sharePatent US6744759 - System and method for providing user-configured telephone service in a data network telephony system
