Nokia 9210 Communicator web browser name is "EPOC32-WTL/2.2 Crystal/6.0 STNC-WTL/6.0(build)", where "build" is a number. The web browser identifies itself as this in HTTP User-Agent header and the name is used to detect the browser automatically.
The important parts are "EPOC32" which identifies the operating system, "Crystal" which tells that the web browser is operating on a half-VGA screen and "STNC-WTL" which indicates the features and requirements for the web browser below the user interface level.