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Chapter
4
This
code
may
be
expressed
as a
number
or
an
English
word.
The
following table
lists
the ten
possible
results
and
their
meanings.
Number
(VO)
Word
(VI)
OK
CONNECT
RING
NO
CARRIER
ERROR
CONNECT
1200
NO DIALTONE
Description
The
command
line
was
successfully
processed.
The
Carrier
signal
has
been
detected.
The phone
is
ringing.
RING
only
indicates that
the
phone
is
ringing.
The
modem
does
not
answer
it
unless
commanded
to
or
unless
auto- answer
is
en-
abled.
Carrier
was
not detected
or
was
lost,
NO
CARRIER
is
displayed
if
the
carrier
sig-
nal
from
the other
modem
is
not detected
for a
suffi-
cient
length of time.
NO
CARRIER
means
that
a
data
call
was
not
success-
fully
completed.
There was an
error
in
the
command
line.
Carrier
has
been
detected
at
1200
bps.
No
dial
tone has
been
de-
tected
by
the
modem
dur-
4-6
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