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ISDN TA/V
18.3 Call Answer Commands
18.3.1 I
NCOMING
C
ALL
R
ESPONSE
(INC)
The
INC
response informs the DTE that the ISDN TA/V has detected a ring
tone. At this point, the DTE can issue the
DIC
command to disable the ISDN
TA/V from answering the call.
INC
is similar to the AT result code
RING
.
18.3.2 D
ISREGARDING AN
I
NCOMING
C
ALL
(DIC)
The
DIC
command prevents the ISDN TA/V from answering an incoming
call. This command is only valid once the DTE receives an incoming call
(
INC
) response from the ISDN TA/V. A
DIC
must be issued within 5 seconds
of receiving an
INC
. The
DIC
command format is
DIC
.
If
DIC
is issued within 5 seconds, the ISDN TA/V sends the
VAL
response
to the DTE. If
DIC
is issued after 5 seconds,
INV
is returned.
18.3.3 C
ONNECTING TO AN
I
NCOMING
C
ALL
(CIC)
The
CIC
command forces the ISDN TA/V to cancel any
DIC
commands and
answer an incoming call. This command is only valid when the DTE issues a
DIC
command.
CIC
must be issued within 10 seconds after sending a
DIC
.
CIC
is similar to the
ATA
command.
If
CIC
is issued within 10 seconds, the ISDN TA/V sends the
VAL
response
to the DTE. If
CIC
is issued after 10 seconds,
INV
is returned.
18.4 Storing Numbers In Memory (PRN)
The
PRN
command allows the DTE to enter and store a number to a specific
directory location.
PRN
is similar to the
AT&Z
command. The
PRN
command format is:
PRN
x
;
n
Where
x
is the directory location 1-20 and
n
is the ISDN
number to be stored.
