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Appendix
A
P
tells
the
Modem
to
wait
2 seconds
after dialing
9
before
dialing
the
remaining
digits.
Depending
on
your
phone
system,
P
can be
replaced
with
W.
Valid
dialer
digits
and
codes
0-9,
*,
and
#
Dialable
digits
The
symbols
#
and
*
are
not defined
when
using pulse
signalling:
the
Modem
simply
ignores
them.
C
),
-
,
space
Used
to
format
the
telephone
number
into
a
more
readable sequence.
Each
occupies
1
space
in
the
dialer's
memory,
but has
no
function
in
the actual
dialing.
T,
R,
B
W
and
;
Non-dialable
digits
Used
to
control the
Modem's
operating
features.
T
(tone
flag)
and
R
(pulse
flag)
can be used
to override
the global
tone or pulse
signaling
commands
already described.
When
the
Modem
sees
one
of
these
characters
in
the
number
string,
it
uses that type
of
signaling
from
that
point on. Switching
signaling types
"on
the
fly"
is
useful
when
you
are
using long distance
services
other
than
from your
local
tele-
phone
company.
When
the character
P
("dumb
pause"
flag)
is
used
in
the dialing
string,
it
delays signaling
for
2.0 seconds.
Afterward,
signaling
resumes.
You
can
use
P
as
many
times
as
needed
for
longer
delays.
The
W
character
when
used
in
a
dial string
tells
the
Modem
to
"wait
here
until
you
hear a
dial
toner This character
is
useful
when
you
have
to
dial
an
"outside
line"
code
in
a
local
exchange.
Most
local
exchanges
need a
little
time
to get that
outside
line.
Using
W
forces
the
Modem
to
wait
until
it
has a
valid
dial
tone (from the
outside
line)
before
dial-
ing the
rest
of the
programmed
digits.
51
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