Overflow circuit

Sun Mar 28 03:33:29 UTC 2004

In message <05f001c41474$f8ae7080$6401a8c0 at alexh>, "Alexei Roudnev" writes:
>It means, that satellite (with it's 1 second delay and unavoidable echo)
>should be better accepted for _profeccionsl_ phone connection (such as, for
>example, connection between remote oil wells and central office), because
>you can always stay with delay, if follow some talking discippline (and it
>is better than trunking radio, anyway), while it will be less acceptable for
>home / residential users.
>
>Delay (by itself) does not influence voice quaility, but it required strick
>talking discipline / policy to avoid misunderstanding, echo and so on. We
>can expect such discipline from professional workers, but you never expect
>it from your 5 y.old kid.

Fair enough.  I should add one more thing:  with that sort of delay, 
you need good echo cancellers.  If you're getting echo, they're not 
good enough, I suspect...

		--Steve Bellovin, http://www.research.att.com/~smb