As you said , I made a soft link to /dev/ttyUSB2 as /dev/ttyS20.
and changed the configuration as required. But , still getting the
+CME ERROR.

The log is as below,

/home/sandeep/Download/jdk1.5.0_17/bin/java -Dsmslib.debug -
Dsmslib.serial.polling -Dsmsserver.configdir=/home/sandeep/Download/
SMSlib/src/java/org/smslib/smsserver/ examples.modem.ReadMessages
Example: Read messages from a serial gsm modem.
SMSLib: A Java API library for sending and receiving SMS via a GSM
modem or other supported gateways.
This software is distributed under the terms of the Apache v2.0
License.
Web Site: http://smslib.org
Version: 3.3.3
0 [main] INFO org.smslib  - SMSLib: A Java API library for sending and
receiving SMS via a GSM modem or other supported gateways.
This software is distributed under the terms of the Apache v2.0
License.
Web Site: http://smslib.org
2 [main] INFO org.smslib  - Version: 3.3.3
2 [main] INFO org.smslib  - JRE Version: 1.5.0_17
2 [main] INFO org.smslib  - JRE Impl Version: 1.5.0_17-b04
2 [main] INFO org.smslib  - O/S: Linux / i386 / 2.6.25-14.fc9.i686
52 [SMSLib-WatchDog] DEBUG org.smslib  - WatchDog started.
53 [SMSLib-WatchDog] INFO org.smslib  - WatchDog running...
53 [Thread-1] INFO org.smslib  - GTW: modem1: Starting gateway, using
Generic AT Handler.
54 [Thread-1] INFO org.smslib  - GTW: modem1: Using polled serial port
mode.
54 [Thread-1] INFO org.smslib  - GTW: modem1: Opening: /dev/ttyS20
@9600
Experimental:  JNI_OnLoad called.
Stable Library
=========================================
Native lib Version = RXTX-2.1-7
Java lib Version   = RXTX-2.1-7
226 [Thread-3] DEBUG org.smslib  - GTW: modem1: ThreadReader started.
228 [Thread-1] DEBUG org.smslib  - GTW: modem1: ModemDriver: KeepAlive
thread started.
230 [Thread-1] DEBUG org.smslib  - GTW: modem1: ModemReader thread
started.
235 [Thread-1] DEBUG org.smslib  - GTW: modem1: AsyncNotifier thread
started.
238 [Thread-1] DEBUG org.smslib  - GTW: modem1: AsyncMessageProcessor
thread started.
238 [Thread-1] DEBUG org.smslib  - GTW: modem1: clearBuffer() called.
1239 [Thread-1] DEBUG org.smslib  - GTW: modem1: SEND :(27)
1440 [Thread-1] DEBUG org.smslib  - GTW: modem1: SEND :+++
1641 [Thread-1] DEBUG org.smslib  - GTW: modem1: SEND :ATZ
1842 [Thread-1] DEBUG org.smslib  - GTW: modem1: clearBuffer() called.
2842 [Thread-1] DEBUG org.smslib  - GTW: modem1: SEND :ATZ(cr)
3043 [Thread-1] DEBUG org.smslib  - GTW: modem1: SEND :ATE0(cr)
3244 [Thread-1] DEBUG org.smslib  - GTW: modem1: clearBuffer() called.
4244 [Thread-1] DEBUG org.smslib  - GTW: modem1: SEND :AT+CPIN?(cr)
15053 [SMSLib-WatchDog] INFO org.smslib  - WatchDog running...
30053 [SMSLib-WatchDog] INFO org.smslib  - WatchDog running...
45054 [SMSLib-WatchDog] INFO org.smslib  - WatchDog running...
49432 [Thread-1] DEBUG org.smslib  - GTW: modem1: Buffer contents on
timeout: +CME ERROR:SIM not inserted
49432 [Thread-1] DEBUG org.smslib  - GTW: modem1: Trying to shutdown
keepAlive thread...
49432 [Thread-1] DEBUG org.smslib  - GTW: modem1: Trying to shutdown
asyncNotifier thread...
49432 [Thread-1] DEBUG org.smslib  - GTW: modem1: Trying to shutdown
asyncMessageProcessor thread...
49432 [Thread-1] DEBUG org.smslib  - GTW: modem1: Trying to shutdown
modemReader thread...
49433 [SMSlib-KeepAlive : modem1] DEBUG org.smslib  - GTW: modem1:
ModemDriver: KeepAlive thread ended.
49433 [SMSLib-AsyncNotifier : modem1] DEBUG org.smslib  - GTW: modem1:
AsyncNotifier thread ended.
49434 [SMSLib-AsyncMessageProcessor : modem1] DEBUG org.smslib  - GTW:
modem1: AsyncMessageProcessor thread ended.
49434 [SMSlib-ModemReader-modem1] DEBUG org.smslib  - GTW: modem1:
ModemReader thread ended.
49434 [Thread-3] DEBUG org.smslib  - GTW: modem1: ThreadReader
stopped.
49439 [Thread-1] INFO org.smslib  - GTW: modem1: Closing: /dev/ttyS20
@9600
>>> Gateway Status change for modem1, OLD: STOPPED -> NEW: RESTART
org.smslib.TimeoutException: No response from device.
        at org.smslib.modem.AModemDriver$CharQueue.get
(AModemDriver.java:519)
        at org.smslib.modem.AModemDriver.getResponse(AModemDriver.java:
317)
        at org.smslib.modem.athandler.ATHandler.getSimStatus
(ATHandler.java:130)
        at org.smslib.modem.AModemDriver.connect(AModemDriver.java:
127)
        at org.smslib.modem.ModemGateway.startGateway
(ModemGateway.java:126)
        at org.smslib.Service$1Starter.run(Service.java:222)
50059 [SMSLib-WatchDog] DEBUG org.smslib  - WatchDog stopped.
50059 [main] INFO org.smslib  - GTW: modem1: Stopping gateway...
>>> Gateway Status change for modem1, OLD: RESTART -> NEW: STOPPED
50060 [main] INFO org.smslib  - GTW: modem1: Closing: /dev/ttyS20
@9600
50060 [main] INFO org.smslib  - GTW: modem1: Gateway stopped.

How do i solve this problem?.

Regards,
Sandeep.


On Feb 26, 12:04 pm, sandeep <[email protected]> wrote:
> I even tried on a hyperterminal (minicom). Even there , when I send a
> AT+CPIN command , Iam getting the +CME ERROR : Sim not inserted
> error .
>
> Here is the log.
>
> [r...@sandeep classes]# /home/sandeep/Download/jdk1.5.0_17/bin/java -
> Dsmslib.debug -Dsmslib.serial.polling -Dsmsserver.configdir=/home/
> sandeep/Download/SMSlib/src/java/org/smslib/smsserver/
> examples.modem.ReadMessages
> Example: Read messages from a serial gsm modem.
> SMSLib: A Java API library for sending and receiving SMS via a GSM
> modem or other supported gateways.
> This software is distributed under the terms of the Apache v2.0
> License.
> Web Site:http://smslib.org
> Version: 3.3.3
> 0 [main] INFO org.smslib  - SMSLib: A Java API library for sending and
> receiving SMS via a GSM modem or other supported gateways.
> This software is distributed under the terms of the Apache v2.0
> License.
> Web Site:http://smslib.org
> 2 [main] INFO org.smslib  - Version: 3.3.3
> 3 [main] INFO org.smslib  - JRE Version: 1.5.0_17
> 3 [main] INFO org.smslib  - JRE Impl Version: 1.5.0_17-b04
> 3 [main] INFO org.smslib  - O/S: Linux / i386 / 2.6.25-14.fc9.i686
> 54 [SMSLib-WatchDog] DEBUG org.smslib  - WatchDog started.
> 54 [SMSLib-WatchDog] INFO org.smslib  - WatchDog running...
> 56 [Thread-1] INFO org.smslib  - GTW: modem1: Starting gateway, using
> Generic AT Handler.
> 57 [Thread-1] INFO org.smslib  - GTW: modem1: Using polled serial port
> mode.
> 57 [Thread-1] INFO org.smslib  - GTW: modem1: Opening: /dev/ttyUSB2
> @9600
> Experimental:  JNI_OnLoad called.
> Stable Library
> =========================================
> Native lib Version = RXTX-2.1-7
> Java lib Version   = RXTX-2.1-7
> 215 [Thread-3] DEBUG org.smslib  - GTW: modem1: ThreadReader started.
> 217 [Thread-1] DEBUG org.smslib  - GTW: modem1: ModemDriver: KeepAlive
> thread started.
> 219 [Thread-1] DEBUG org.smslib  - GTW: modem1: ModemReader thread
> started.
> 224 [Thread-1] DEBUG org.smslib  - GTW: modem1: AsyncNotifier thread
> started.
> 226 [Thread-1] DEBUG org.smslib  - GTW: modem1: AsyncMessageProcessor
> thread started.
> 227 [Thread-1] DEBUG org.smslib  - GTW: modem1: clearBuffer() called.
> 1227 [Thread-1] DEBUG org.smslib  - GTW: modem1: SEND :(27)
> 1429 [Thread-1] DEBUG org.smslib  - GTW: modem1: SEND :+++
> 1630 [Thread-1] DEBUG org.smslib  - GTW: modem1: SEND :ATZ
> 1833 [Thread-1] DEBUG org.smslib  - GTW: modem1: clearBuffer() called.
> 2833 [Thread-1] DEBUG org.smslib  - GTW: modem1: SEND :ATZ(cr)
> 3035 [Thread-1] DEBUG org.smslib  - GTW: modem1: SEND :ATE0(cr)
> 3238 [Thread-1] DEBUG org.smslib  - GTW: modem1: clearBuffer() called.
> 4238 [Thread-1] DEBUG org.smslib  - GTW: modem1: SEND :AT+CPIN?(cr)
> 15055 [SMSLib-WatchDog] INFO org.smslib  - WatchDog running...
> 30055 [SMSLib-WatchDog] INFO org.smslib  - WatchDog running...
> 45055 [SMSLib-WatchDog] INFO org.smslib  - WatchDog running...
> 49420 [Thread-1] DEBUG org.smslib  - GTW: modem1: Buffer contents on
> timeout: +CME ERROR:SIM not inserted
> 49420 [Thread-1] DEBUG org.smslib  - GTW: modem1: Trying to shutdown
> keepAlive thread...
> 49420 [Thread-1] DEBUG org.smslib  - GTW: modem1: Trying to shutdown
> asyncNotifier thread...
> 49420 [Thread-1] DEBUG org.smslib  - GTW: modem1: Trying to shutdown
> asyncMessageProcessor thread...
> 49420 [Thread-1] DEBUG org.smslib  - GTW: modem1: Trying to shutdown
> modemReader thread...
> 49420 [SMSlib-KeepAlive : modem1] DEBUG org.smslib  - GTW: modem1:
> ModemDriver: KeepAlive thread ended.
> 49421 [SMSLib-AsyncNotifier : modem1] DEBUG org.smslib  - GTW: modem1:
> AsyncNotifier thread ended.
> 49421 [SMSLib-AsyncMessageProcessor : modem1] DEBUG org.smslib  - GTW:
> modem1: AsyncMessageProcessor thread ended.
> 49421 [SMSlib-ModemReader-modem1] DEBUG org.smslib  - GTW: modem1:
> ModemReader thread ended.
> 49421 [Thread-3] DEBUG org.smslib  - GTW: modem1: ThreadReader
> stopped.
> 49426 [Thread-1] INFO org.smslib  - GTW: modem1: Closing: /dev/ttyUSB2
> @9600>>> Gateway Status change for modem1, OLD: STOPPED -> NEW: RESTART
>
> org.smslib.TimeoutException: No response from device.
>         at org.smslib.modem.AModemDriver$CharQueue.get
> (AModemDriver.java:519)
>         at org.smslib.modem.AModemDriver.getResponse(AModemDriver.java:
> 317)
>         at org.smslib.modem.athandler.ATHandler.getSimStatus
> (ATHandler.java:130)
>         at org.smslib.modem.AModemDriver.connect(AModemDriver.java:
> 127)
>         at org.smslib.modem.ModemGateway.startGateway
> (ModemGateway.java:126)
>         at org.smslib.Service$1Starter.run(Service.java:222)
> 50069 [SMSLib-WatchDog] DEBUG org.smslib  - WatchDog stopped.
> 50069 [main] INFO org.smslib  - GTW: modem1: Stopping gateway...>>> Gateway 
> Status change for modem1, OLD: RESTART -> NEW: STOPPED
>
> 50069 [main] INFO org.smslib  - GTW: modem1: Closing: /dev/ttyUSB2
> @9600
> 50069 [main] INFO org.smslib  - GTW: modem1: Gateway stopped.
>
> Regards,
> Sandeep.
>
> On Feb 26, 11:44 am, Thanasis <[email protected]> wrote:
>
> > Hi,
>
> > Where did you get this CME error? I don't see it in the log.
>
> > Try to soft link your /dev/ttyUSB0 to a more "serial-like" device,
> > like /dev/ttyS20. Then try to use the second port in order to connect.
> > Does this work any better?
>
> > On Feb 26, 8:31 am, sandeep <[email protected]> wrote:
>
> > > Hi Thanasis,
>
> > > Its a +CME ERROR : Sim not inserted error.
>
> > > Because of this I am getting a no response from device exception and
> > > is a device error.
> > > What does this signify?.
> > > I am using a Reliance Datacard(manufacturer: Huawei, Model: EC121). as
> > > a USB modem.
> > > What should I do to rectify it?.
>
> > > Regards,
> > > Sandeep.
>
> > > On Feb 26, 10:01 am, sandeep <[email protected]> wrote:
>
> > > > Thanks a lot. I changed it. Now the modem is not responding. I used
> > > > the usb_modeswitch program to detach  the storage on it and is
> > > > responding to the wvdial on linux. But with the ReadMessage program ,
> > > > its giving a org.smslib.TimeoutException : No response from device.
>
> > > > Output is as below,
>
> > > > /home/sandeep/Download/jdk1.5.0_17/bin/java -Dsmslib.debug -
> > > > Dsmsserver.configdir=/home/sandeep/Download/SMSlib/src/java/org/smslib/
> > > > smsserver/ examples.modem.ReadMessages
> > > > Example: Read messages from a serial gsm modem.
> > > > SMSLib: A Java API library for sending and receiving SMS via a GSM
> > > > modem or other supported gateways.
> > > > This software is distributed under the terms of the Apache v2.0
> > > > License.
> > > > Web Site:http://smslib.org
> > > > Version: 3.3.3
> > > > 0 [main] INFO org.smslib  - SMSLib: A Java API library for sending and
> > > > receiving SMS via a GSM modem or other supported gateways.
> > > > This software is distributed under the terms of the Apache v2.0
> > > > License.
> > > > Web Site:http://smslib.org
> > > > 2 [main] INFO org.smslib  - Version: 3.3.3
> > > > 3 [main] INFO org.smslib  - JRE Version: 1.5.0_17
> > > > 3 [main] INFO org.smslib  - JRE Impl Version: 1.5.0_17-b04
> > > > 3 [main] INFO org.smslib  - O/S: Linux / i386 / 2.6.25-14.fc9.i686
> > > > 64 [SMSLib-WatchDog] DEBUG org.smslib  - WatchDog started.
> > > > 65 [SMSLib-WatchDog] INFO org.smslib  - WatchDog running...
> > > > 65 [Thread-1] INFO org.smslib  - GTW: modem1: Starting gateway, using
> > > > Generic AT Handler.
> > > > 65 [Thread-1] INFO org.smslib  - GTW: modem1: Opening: /dev/ttyUSB2
> > > > @19200
> > > > Experimental:  JNI_OnLoad called.
> > > > Stable Library
> > > > =========================================
> > > > Native lib Version = RXTX-2.1-7
> > > > Java lib Version   = RXTX-2.1-7
> > > > 233 [Thread-1] DEBUG org.smslib  - GTW: modem1: ModemDriver: KeepAlive
> > > > thread started.
> > > > 235 [Thread-1] DEBUG org.smslib  - GTW: modem1: ModemReader thread
> > > > started.
> > > > 240 [Thread-1] DEBUG org.smslib  - GTW: modem1: AsyncNotifier thread
> > > > started.
> > > > 242 [Thread-1] DEBUG org.smslib  - GTW: modem1: AsyncMessageProcessor
> > > > thread started.
> > > > 242 [Thread-1] DEBUG org.smslib  - GTW: modem1: clearBuffer() called.
> > > > 1243 [Thread-1] DEBUG org.smslib  - GTW: modem1: SEND :(27)
> > > > 1447 [Thread-1] DEBUG org.smslib  - GTW: modem1: SEND :+++
> > > > 1649 [Thread-1] DEBUG org.smslib  - GTW: modem1: SEND :ATZ
> > > > 1850 [Thread-1] DEBUG org.smslib  - GTW: modem1: clearBuffer() called.
> > > > 2850 [Thread-1] DEBUG org.smslib  - GTW: modem1: SEND :ATZ(cr)
> > > > 3051 [Thread-1] DEBUG org.smslib  - GTW: modem1: SEND :ATE0(cr)
> > > > 3252 [Thread-1] DEBUG org.smslib  - GTW: modem1: clearBuffer() called.
> > > > 4253 [Thread-1] DEBUG org.smslib  - GTW: modem1: SEND :AT+CPIN?(cr)
> > > > 15065 [SMSLib-WatchDog] INFO org.smslib  - WatchDog running...
> > > > 30065 [SMSLib-WatchDog] INFO org.smslib  - WatchDog running...
> > > > 45065 [SMSLib-WatchDog] INFO org.smslib  - WatchDog running...
> > > > 49254 [Thread-1] DEBUG org.smslib  - GTW: modem1: Buffer contents on
> > > > timeout:
> > > > 49254 [Thread-1] DEBUG org.smslib  - GTW: modem1: Trying to shutdown
> > > > keepAlive thread...
> > > > 49254 [Thread-1] DEBUG org.smslib  - GTW: modem1: Trying to shutdown
> > > > asyncNotifier thread...
> > > > 49254 [Thread-1] DEBUG org.smslib  - GTW: modem1: Trying to shutdown
> > > > asyncMessageProcessor thread...
> > > > 49255 [Thread-1] DEBUG org.smslib  - GTW: modem1: Trying to shutdown
> > > > modemReader thread...
> > > > 49255 [SMSlib-KeepAlive : modem1] DEBUG org.smslib  - GTW: modem1:
> > > > ModemDriver: KeepAlive thread ended.
> > > > 49255 [SMSLib-AsyncNotifier : modem1] DEBUG org.smslib  - GTW: modem1:
> > > > AsyncNotifier thread ended.
> > > > 49255 [SMSLib-AsyncMessageProcessor : modem1] DEBUG org.smslib  - GTW:
> > > > modem1: AsyncMessageProcessor thread ended.
> > > > 49256 [SMSlib-ModemReader-modem1] DEBUG org.smslib  - GTW: modem1:
> > > > ModemReader thread ended.
> > > > 49260 [Thread-1] INFO org.smslib  - GTW: modem1: Closing: /dev/ttyUSB2
> > > > @19200>>> Gateway Status change for modem1, OLD: STOPPED -> NEW: RESTART
>
> ...
>
> read more »
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