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gammu-smsd - SMS daemon for Gammu


gammu-smsd [OPTION]...


This manual page documents briefly the gammu-smsd command.

gammu-smsd is a program that periodically scans GSM modem for received messages, stores
them in defined storage and also sends messages enqueued in this storage.

The daemon can reload configuration file after sending hangup signal (SIGHUP) and properly
terminates itself on SIGINT and SIGTERM.

Program accepts following options (please note that long options might be not accepted on
some platforms):

-h, --help
Shows help.

-v, --version
Shows version information and compiled in features.

-c, --config=file
Configuration file to use, default is /etc/gammu-smsdrc, on Windows there is no
default and configuration file path has to be always specified.

If you run SMSD as a system daemon (or service), it is recommended to use absolute
path to configuration file as startup directory might be different than you expect.

See gammu-smsdrc for configuration file documentation.

-p, --pid=file
Lock file for storing pid, empty for no locking. Not supported on Windows.

-U, --user=user
Drop daemon privileges to chosen user after starting.

-G, --group=group
Drop daemon privileges to chosen group after starting.

-d, --daemon
Daemonize program on startup. Not supported on Windows.

-i, --install-service
Installs SMSD as a Windows service.

-u, --uninstall-service
Uninstalls SMSD as a Windows service.

-s, --start-service
Starts SMSD Windows service.

-k, --stop-service
Stops SMSD Windows service.

-f, --max-failures=count
Terminate after defined number of failures. Use 0 to not terminate (this is

-X, --suicide=seconds
Kills itself after number of seconds.

-S, --run-service
Runs pogram as SMSD Windows service. This should not be used manually, but only
Windows Service manager should use this command.

-n, --service-name=name
Defines name of a Windows service. Each service requires an unique name, so if you
want to run several SMSD instances, you have to name each service differently.
Default is "GammuSMSD".

-l, --use-log
Use logging as configured in config file (default).

-L, --no-use-log
Do not use logging as configured in config file.

-e, --install-event-log
Installs Windows EventLog description to registry.

New in version 1.31.90.

-E, --uninstall-event-log
Uninstalls Windows EventLog description to registry.

New in version 1.31.90.


SMSD can be controlled using following POSIX signals (if your platform supports this):

SIGHUP Reload configuration and reconnect to phone.

Gracefully shutdown the daemon.

Used internally for gammu-smsd -X

Suspends SMSD operation, closing connection to phone and database.

Resumes SMSD operation (after previous suspend).

Changed in version 1.22.91: Added support for SIGHUP.

Changed in version 1.22.95: Added support for SIGALRM.

Changed in version 1.31.90: Added support for SIGUSR1 and SIGUSR2.


Linux/Unix Examples
Start SMSD as a daemon on Linux:

gammu-smsd --config /etc/gammu-smsdrc --pid /var/run/gammu-smsd.pid --daemon

Start SMSD as a daemon on Linux with reduced privileges:

gammu-smsd --config /etc/gammu-smsdrc --pid /var/run/gammu-smsd.pid --daemon --user gammu --group gammu

SMSD as a system wide daemon
To use SMSD as a daemon, you might want to use init script which is shipped with Gammu in
contrib/init directory. It is not installed by default, either install it manually or
check INSTALL file for instructions.

Under Windows 7 you might need to disable UAC (user account control) before you will be
able to install SMSD service.

Windows Service Examples
Install Gammu SMSD Windows service:

gammu-smsd.exe -c c:\Gammu\smsdrc -i

Install two instances of SMSD Windows service:

gammu-smsd.exe -c c:\Gammu\smsdrc-1 -n Gammu-first-phone -i

gammu-smsd.exe -c c:\Gammu\smsdrc-2 -n Gammu-second-phone -i

To uninstall a Windows service:

gammu-smsd.exe -u

Troubleshooting Windows Service
If Gammu fails to start as a Windows service (you will usually get "Error 1053: The
service did not respond to the start or control request in a timely fashion"), first check
your SMSD logs. If they do not contain any useful hint, try starting SMSD manually with
exactly same parameters as you installed the service (without -i).

For example the command line can look like:

gammu-smsd.exe -c smsdrc

You now should be able to get errors from SMSD even if it fails to start as a service.


You can not use same phone by more programs in same time. However in case you did not
enable locking in [gammu] section, it might be able to start the communication with phone
from more programs. In this case neither of the programs will probably work.

There is no way to detect that SMS message is reply to another by looking at message
headers. The only way to achieve this is to add some token to the message and let the user
include it in the message on reply.

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