Screeching occurs during handshaking.
During the handshaking, the frequency is audible, thats the reason for
screeching.
-----Original Message-----
From: Bill Cunningham [SMTP:billcu(_at_)citynet(_dot_)net]
Sent: Tuesday, June 11, 2002 12:53 PM
To: ietf(_at_)ietf(_dot_)org
Subject: modems
I know modems communicate on the physical layer by electrical pulses or
binaries sent on copper wires. Is that screeching you hear electrical
communication? Computers don't communicate by screeching...or do they?