You may have come here looking for Tk's bell command, which sounds an audible alert. Or you may have come here looking for info on BLT's beep command.
This page is rather about BEEP, the Blocks Extensible Exchange Protocol [L1 ]. (In the beginning it was called BXXP).
[RFC 3080 says "a generic application protocol kernel for connection-oriented, asynchronous interactions called the BEEP (Blocks Extensible Exchange Protocol) core. BEEP permits simultaneous and independent exchanges within the context of a single application user-identity, supporting both textual and binary messages."]
["
In March 2002, Marshall T. Rose published BEEP: The Definitive Guide [L2 ].