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6.3.5 Q Result code suppression
Command
Description
set
Q[0]
transmit codes
Q1
suppress codes
Mandatory. V.25ter section 6.2.5. Affects only result codes, not information responses.
6.3.6 V DCE response format
Command
Description
set
V[0]
numeric V.25ter basic syntax result codes, limited headers and
trailers
V1
verbose V.25ter basic syntax result codes, full headers and trailers
Mandatory. V.25ter section 6.2.6. For numeric result code values refer V.25ter section 5.7.1
and
D
,
A
and
O
commands in this document. Command
S3
and
S4
settings affect
header/trailer formatting. Note that result codes defined in GSM 07.07 and 07.05 have only
verbose values.
6.3.7 X Result code selection and call progress monitoring control
Command
Description
set
X[0]
OK
,
CONNECT
,
RING
,
NO CARRIER
,
ERROR
codes enabled
X1
also
CONNECT 1200
,
CONNECT 2400
enabled
X2
same as value 1
X3
also
BUSY
enabled
X4
also
NO ANSWER
enabled
X5
also
CONNECT 4800
(or higher data rates),
DELAYED
,
BLACKLISTED
enabled
Mandatory. V.25ter section 6.2.7. When
BUSY
,
NO ANSWER
,
DELAYED
or
BLACKLISTED
is
not enabled,
NO CARRIER
is used instead. When
CONNECT <rate>
with a correct data rate
is not enabled, a plain
CONNECT
is used instead. Also GPRS context activation is indicated
by
CONNECT
. This command does not affect the presentation of other result codes than the
ones mentioned in the table above.
6.3.8 &C Circuit 109 (received line signal detector) behaviour
Command
Description
set
&C[0]
always on
&C1
normal operation
Mandatory. V.25ter section 6.2.8. Also known as DCD or carrier signal.