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GigaSet 307x Device Driver

==========================

1.   Requirements

     ------------

1.1. Hardware

     --------

     This release supports the connection of the Gigaset 307x/417x family of

     ISDN DECT bases via Gigaset M101 Data, Gigaset M105 Data or direct USB

     connection. The following devices are reported to be compatible:

     Bases:

        Siemens Gigaset 3070/3075 isdn

        Siemens Gigaset 4170/4175 isdn

        Siemens Gigaset SX205/255

        Siemens Gigaset SX353

        T-Com Sinus 45 [AB] isdn

        T-Com Sinus 721X[A] [SE]

        Vox Chicago 390 ISDN (KPN Telecom)

     RS232 data boxes:

        Siemens Gigaset M101 Data

        T-Com Sinus 45 Data 1

     USB data boxes:

        Siemens Gigaset M105 Data

        Siemens Gigaset USB Adapter DECT

        T-Com Sinus 45 Data 2

        T-Com Sinus 721 data

        Chicago 390 USB (KPN)

     See also http://www.erbze.info/sinus_gigaset.htm and

              http://gigaset307x.sourceforge.net/

     We had also reports from users of Gigaset M105 who could use the drivers

     with SX 100 and CX 100 ISDN bases (only in unimodem mode, see section 2.4.)

     If you have another device that works with our driver, please let us know.

     Chances of getting an USB device to work are good if the output of

        lsusb

     at the command line contains one of the following:

        ID 0681:0001

        ID 0681:0002

        ID 0681:0009

        ID 0681:0021

        ID 0681:0022

1.2. Software

     --------

     The driver works with ISDN4linux and so can be used with any software

     which is able to use ISDN4linux for ISDN connections (voice or data).

     CAPI4Linux support is planned but not yet available.

     There are some user space tools available at

     http://sourceforge.net/projects/gigaset307x/

     which provide access to additional device specific functions like SMS,

     phonebook or call journal.

2.   How to use the driver

     ---------------------

2.1. Modules

     -------

     To get the device working, you have to load the proper kernel module. You

     can do this using

         modprobe modulename

     where modulename is ser_gigaset (M101), usb_gigaset (M105), or

     bas_gigaset (direct USB connection to the base).

     The module ser_gigaset provides a serial line discipline N_GIGASET_M101

     which drives the device through the regular serial line driver. To use it,

     run the Gigaset M101 daemon "gigasetm101d" (also available from

     http://sourceforge.net/projects/gigaset307x/) with the device file of the

     RS232 port to the M101 as an argument, for example:

         gigasetm101d /dev/ttyS1

     This will open the device file, set its line discipline to N_GIGASET_M101,

     and then sleep in the background, keeping the device open so that the

     line discipline remains active. To deactivate it, kill the daemon, for

     example with

         killall gigasetm101d

     before disconnecting the device.

2.2. Device nodes for user space programs

     ------------------------------------

     The device can be accessed from user space (eg. by the user space tools

     mentioned in 1.2.) through the device nodes:

     - /dev/ttyGS0 for M101 (RS232 data boxes)

     - /dev/ttyGU0 for M105 (USB data boxes)

     - /dev/ttyGB0 for the base driver (direct USB connection)

     You can also select a "default device" which is used by the frontends when

     no device node is given as parameter, by creating a symlink /dev/ttyG to

     one of them, eg.:

        ln -s /dev/ttyGB0 /dev/ttyG

2.3. ISDN4linux

     ----------

     This is the "normal" mode of operation. After loading the module you can

     set up the ISDN system just as you'd do with any ISDN card.

     Your distribution should provide some configuration utility.

     If not, you can use some HOWTOs like

         http://www.linuxhaven.de/dlhp/HOWTO/DE-ISDN-HOWTO-5.html

     If this doesn't work, because you have some recent device like SX100 where

     debug output (see section 3.2.) shows something like this when dialing

         CMD Received: ERROR

         Available Params: 0

         Connection State: 0, Response: -1

         gigaset_process_response: resp_code -1 in ConState 0 !

         Timeout occurred

     you might need to use unimodem mode:

2.4. Unimodem mode

     -------------

     This is needed for some devices [e.g. SX100] as they have problems with

     the "normal" commands.

     If you have installed the command line tool gigacontr, you can enter

     unimodem mode using

         gigacontr --mode unimodem

     You can switch back using

         gigacontr --mode isdn

     You can also load the driver using e.g.

         modprobe usb_gigaset startmode=0

     to prevent the driver from starting in "isdn4linux mode".

     In this mode the device works like a modem connected to a serial port

     (the /dev/ttyGU0, ... mentioned above) which understands the commands

         ATZ                 init, reset

             => OK or ERROR

         ATD

         ATDT                dial

             => OK, CONNECT,

                BUSY,

                NO DIAL TONE,

                NO CARRIER,

                NO ANSWER

         +++   change to command mode when connected

         ATH                 hangup

     You can use some configuration tool of your distribution to configure this

     "modem" or configure pppd/wvdial manually. There are some example ppp

     configuration files and chat scripts in the gigaset-VERSION/ppp directory

     in the driver packages from http://sourceforge.net/projects/gigaset307x/.

     Please note that the USB drivers are not able to change the state of the

     control lines (the M105 driver can be configured to use some undocumented

     control requests, if you really need the control lines, though). This means

     you must use "Stupid Mode" if you are using wvdial or you should use the

     nocrtscts option of pppd.

     You must also assure that the ppp_async module is loaded with the parameter

     flag_time=0. You can do this e.g. by adding a line like

        options ppp_async flag_time=0

     to /etc/modprobe.conf. If your distribution has some local module

     configuration file like /etc/modprobe.conf.local,

     using that should be preferred.

2.5. Call-ID (CID) mode

     ------------------

     Call-IDs are numbers used to tag commands to, and responses from, the

     Gigaset base in order to support the simultaneous handling of multiple

     ISDN calls. Their use can be enabled ("CID mode") or disabled ("Unimodem

     mode"). Without Call-IDs (in Unimodem mode), only a very limited set of

     functions is available. It allows outgoing data connections only, but

     does not signal incoming calls or other base events.

     DECT cordless data devices (M10x) permanently occupy the cordless

     connection to the base while Call-IDs are activated. As the Gigaset

     bases only support one DECT data connection at a time, this prevents

     other DECT cordless data devices from accessing the base.

     During active operation, the driver switches to the necessary mode

     automatically. However, for the reasons above, the mode chosen when

     the device is not in use (idle) can be selected by the user.

     - If you want to receive incoming calls, you can use the default

       settings (CID mode).

     - If you have several DECT data devices (M10x) which you want to use

       in turn, select Unimodem mode by passing the parameter "cidmode=0" to

       the driver ("modprobe usb_gigaset cidmode=0" or modprobe.conf).

     If you want both of these at once, you are out of luck.

     You can also use /sys/class/tty/ttyGxy/cidmode for changing the CID mode

     setting (ttyGxy is ttyGU0 or ttyGB0).

2.6. M105 Undocumented USB Requests

     ------------------------------

     The Gigaset M105 USB data box understands a couple of useful, but

     undocumented USB commands. These requests are not used in normal

     operation (for wireless access to the base), but are needed for access

     to the M105's own configuration mode (registration to the base, baudrate

     and line format settings, device status queries) via the gigacontr

     utility. Their use is disabled in the driver by default for safety

     reasons but can be enabled by setting the kernel configuration option

     "Support for undocumented USB requests" (GIGASET_UNDOCREQ) to "Y" and

     recompiling.

3.   Troubleshooting

     ---------------

3.1. Solutions to frequently reported problems

     -----------------------------------------

     Problem:

        You have a slow provider and isdn4linux gives up dialing too early.

     Solution:

        Load the isdn module using the dialtimeout option. You can do this e.g.

        by adding a line like

           options isdn dialtimeout=15

        to /etc/modprobe.conf. If your distribution has some local module

        configuration file like /etc/modprobe.conf.local,

        using that should be preferred.

     Problem:

        Your isdn script aborts with a message about isdnlog.

     Solution:

        Try deactivating (or commenting out) isdnlog. This driver does not

        support it.

     Problem:

        You have two or more DECT data adapters (M101/M105) and only the

        first one you turn on works.

     Solution:

        Select Unimodem mode for all DECT data adapters. (see section 2.4.)

3.2. Telling the driver to provide more information

     ----------------------------------------------

     Building the driver with the "Gigaset debugging" kernel configuration

     option (CONFIG_GIGASET_DEBUG) gives it the ability to produce additional

     information useful for debugging.

     You can control the amount of debugging information the driver produces by

     writing an appropriate value to /sys/module/gigaset/parameters/debug, e.g.

        echo 0 > /sys/module/gigaset/parameters/debug

     switches off debugging output completely,

        echo 0x10a020 > /sys/module/gigaset/parameters/debug

     enables the standard set of debugging output messages. These values are

     bit patterns where every bit controls a certain type of debugging output.

     See the constants DEBUG_* in the source file gigaset.h for details.

     The initial value can be set using the debug parameter when loading the

     module "gigaset", e.g. by adding a line

        options gigaset debug=0

     to /etc/modprobe.conf, ...

     Generated debugging information can be found

     - as output of the command

         dmesg

     - in system log files written by your syslog daemon, usually

       in /var/log/, e.g. /var/log/messages.

3.3. Reporting problems and bugs

     ---------------------------

     If you can't solve problems with the driver on your own, feel free to

     use one of the forums, bug trackers, or mailing lists on

         http://sourceforge.net/projects/gigaset307x

     or write an electronic mail to the maintainers.

     Try to provide as much information as possible, such as

     - distribution

     - kernel version (uname -r)

     - gcc version (gcc --version)

     - hardware architecture (uname -m, ...)

     - type and firmware version of your device (base and wireless module,

       if any)

     - output of "lsusb -v" (if using an USB device)

     - error messages

     - relevant system log messages (it would help if you activate debug

       output as described in 3.2.)

     For help with general configuration problems not specific to our driver,

     such as isdn4linux and network configuration issues, please refer to the

     appropriate forums and newsgroups.

3.4. Reporting problem solutions

     ---------------------------

     If you solved a problem with our drivers, wrote startup scripts for your

     distribution, ... feel free to contact us (using one of the places

     mentioned in 3.3.). We'd like to add scripts, hints, documentation

     to the driver and/or the project web page.

4.   Links, other software

     ---------------------

     - Sourceforge project developing this driver and associated tools

         http://sourceforge.net/projects/gigaset307x

     - Yahoo! Group on the Siemens Gigaset family of devices

         http://de.groups.yahoo.com/group/Siemens-Gigaset

     - Siemens Gigaset/T-Sinus compatibility table

         http://www.erbze.info/sinus_gigaset.htm

5.   Credits

     -------

     Thanks to

     Karsten Keil

        for his help with isdn4linux

     Deti Fliegl

        for his base driver code

     Dennis Dietrich

        for his kernel 2.6 patches

     Andreas Rummel

        for his work and logs to get unimodem mode working

     Andreas Degert

        for his logs and patches to get cx 100 working

     Dietrich Feist

        for his generous donation of one M105 and two M101 cordless adapters

     Christoph Schweers

        for his generous donation of a M34 device

     and all the other people who sent logs and other information.