Modem Result Codes - Lenovo ThinkPad T420 4236 User Manual

Table 3. Modem command list (continued)
+PSS
+PSS +PSS Use Short Sequence
-QCPC
-QCPC -QCPC Force Full Startup
Procedure Next
Connection
-QCPS -QCPS -QCPS Enable Quick Connect
Profile Save

Modem result codes

The following table lists the basic codes that the modem sends to your computer in response to the
commands you enter. They are called result codes.
Table 4. Modem result codes
Numeric Result code
+FCERROR
+F4
OK
0
CONNECT
1
RING
2
NO CARRIER
3
60
User Guide
+PS S S S S S =<value>
+P +P
-QCP -QCPC C C -QCP
-QCP -QCPS S S =<value> -QCP
Description
High speed fax data (V.27, V.29, V.33, or V.17) is expected but a V.21
signal is received.
A command line has been executed.
For X command values specifying no speed reporting, the modem
has connected to the line and either the line speed is 300 bps and
line speed is enabled, or the DTE speed is 300 bps and DTE speed
reporting is enabled.
An incoming ring signal is detected on the line. What qualifies as
a ring signal is determined by country-dependent parameters,
modifiable through ConfigurACE. When cellular interface is selected,
RING indicates that the cellular phone is receiving an incoming call.
Sent when attempting to establish a call if: Ringback is detected
and later ceases but no carrier is detected within the period of time
determined by register S7, or
1. No ringback is detected within the period of time determined
by register S7.
2. Also sent when the modem auto-disconnects due to loss of
carrier.
For X0, sent for the following conditions:
1. If busy tone detection is enforced, busy or circuit busy has
been detected.
2. If dial tone detection is enforced or selected, dial tone has
not been detected.
<value>
0: The modem decides whether
or not to use the short startup
procedures.
1: Reserved.
2: Force the use of the full
startup procedures on the next
and subsequent connections
independent of the setting of the
+PQC command.
<value>
0: Do not allow the quick
connect profile to be saved.
1: Allow the quick connect
profile to be saved.