The model also suggests that common e-mail messages, which are indeed asyncronous
conversations and interactions, lack the context parameter.
"Discourse functions and syntactic complexity in synchronous and asyncronous
communication." Language Learning & Technology 4, 1 (2000): 82-119.
Service ("POTS") networks, as well as frame relay, Asyncronous
The Impersonator (IMP) can emulate at least 16 asyncronous
terminals, of which the most common programs are listed in Figure I.