Hi ya,
having finally managed to compile this example (SendMessage.java) I
came across this exception.
 1) how to test with AT command? I simply typed AT at the command
prompt and get a "there are no entries in the list " response. I read
in the forum that I'm supposed to get an "OK". does this means the gsm
modem is not recognised?
2) I am using nokia 6680 as GSM modem and has confirmed it is
compatible by the compatibility list in the forum.
However I left the baud rate as it is in the sample at 57600, if this
is not right, what is the right baud rate I should set?

This line has been modified as such
SerialModemGateway gateway = new SerialModemGateway("modem.com1",
"COM3", 57600, "Nokia", "6680");

The error message i got is as below. Thanx in advance!! please help!
cheers.

run:
Example: Send message 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: 3.4.2
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/C:/Program%20Files/Java/jdk1.6.0_14/
jre/lib/ext/slf4j-jdk14-1.5.8.jar!/org/slf4j/impl/
StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/C:/Program%20Files/Java/jdk1.6.0_14/
jre/lib/ext/slf4j-log4j12-1.5.8.jar!/org/slf4j/impl/
StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an
explanation.
Jul 23, 2009 3:20:43 PM org.smslib.helper.Logger logInfo
INFO: 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
Jul 23, 2009 3:20:43 PM org.smslib.helper.Logger logInfo
INFO: Version: 3.4.2
Jul 23, 2009 3:20:43 PM org.smslib.helper.Logger logInfo
INFO: JRE Version: 1.6.0_14
Jul 23, 2009 3:20:43 PM org.smslib.helper.Logger logInfo
INFO: JRE Impl Version: 14.0-b16
Jul 23, 2009 3:20:43 PM org.smslib.helper.Logger logInfo
INFO: O/S: Windows XP / x86 / 5.1
Jul 23, 2009 3:20:43 PM org.smslib.helper.Logger logInfo
INFO: GTW: modem.com1: Starting gateway, using Generic AT Handler.
Jul 23, 2009 3:20:43 PM org.smslib.helper.Logger logInfo
INFO: GTW: modem.com1: Opening: COM3 @57600
Jul 23, 2009 3:21:41 PM org.smslib.helper.Logger logInfo
INFO: GTW: modem.com1: Closing: COM3 @57600
org.smslib.TimeoutException: No response from device.
        at org.smslib.modem.AModemDriver$CharQueue.get
(AModemDriver.java:502)
        at org.smslib.modem.AModemDriver.getResponse(AModemDriver.java:
294)
        at org.smslib.modem.athandler.ATHandler.getSimStatus
(ATHandler.java:132)
        at org.smslib.modem.AModemDriver.connect(AModemDriver.java:
128)
        at org.smslib.modem.ModemGateway.startGateway
(ModemGateway.java:158)
        at org.smslib.Service$1Starter.run(Service.java:252)
Jul 23, 2009 3:21:43 PM org.smslib.helper.Logger logWarn
WARNING: Gateway: modem.com1 restarting.
Jul 23, 2009 3:21:43 PM org.smslib.helper.Logger logInfo
INFO: GTW: modem.com1: Stopping gateway...
Jul 23, 2009 3:21:43 PM org.smslib.helper.Logger logWarn
WARNING: Error while shutting down Gateway: modem.com1
java.lang.NullPointerException
        at org.smslib.AGateway.stopGateway(AGateway.java:312)
        at org.smslib.modem.ModemGateway.stopGateway(ModemGateway.java:
168)
        at org.smslib.Service$WatchDog.process(Service.java:1387)
        at org.smslib.threading.AServiceThread.run(AServiceThread.java:
117)
Jul 23, 2009 3:21:43 PM org.smslib.helper.Logger logInfo
INFO: GTW: modem.com1: Starting gateway, using Generic AT Handler.
Jul 23, 2009 3:21:43 PM org.smslib.helper.Logger logInfo
INFO: GTW: modem.com1: Opening: COM3 @57600
Jul 23, 2009 3:22:41 PM org.smslib.helper.Logger logInfo
INFO: GTW: modem.com1: Closing: COM3 @57600
Jul 23, 2009 3:22:41 PM org.smslib.helper.Logger logError
SEVERE: Error while starting Gateway: modem.com1
org.smslib.TimeoutException: No response from device.
        at org.smslib.modem.AModemDriver$CharQueue.get
(AModemDriver.java:502)
        at org.smslib.modem.AModemDriver.getResponse(AModemDriver.java:
294)
        at org.smslib.modem.athandler.ATHandler.getSimStatus
(ATHandler.java:132)
        at org.smslib.modem.AModemDriver.connect(AModemDriver.java:
128)
        at org.smslib.modem.ModemGateway.startGateway
(ModemGateway.java:158)
        at org.smslib.Service$WatchDog.process(Service.java:1397)
        at org.smslib.threading.AServiceThread.run(AServiceThread.java:
117)

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