Communication, for example, via the internet protocol (IP), is facilitated among ATM-attached, LAN-attached and telephone-network-attached hosts, by a so-called "RouTel" and an address server. The RouTel provides gateway capabilities for connecting a) the telephone network, e.g., via 1) integrated...http://www.google.com/patents/US5737333?utm_source=gb-gplus-sharePatent US5737333 - Method and apparatus for interconnecting ATM-attached hosts with telephone-network attached hosts 
