Added Mini-Howto for connection PalmPilot over GSM, V.110 to i4l computer.
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Replied: Sat, 04 Sep 1999 09:11:46 +0200
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Message-ID: <37CBC1FF.B5B1535D@Sigurdson.SE>
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Date: Tue, 31 Aug 1999 13:52:31 +0200
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From: Ola Sigurdson <Ola@Sigurdson.SE>
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Organization: OS System
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X-Mailer: Mozilla 4.08 [en] (X11; I; Linux 2.2.12-i686-SMP i686)
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MIME-Version: 1.0
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To: Matthias Hessler <hessler@isdn4linux.de>
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Subject: GSM over V.110 to Linux (Re: V.110)
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References: <199908282216.AAA02037@mathes.mhessler.de>
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Content-Type: text/plain; charset=us-ascii
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Content-Transfer-Encoding: 7bit
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Hello,
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Matthias Hessler wrote:
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> I have good news for you: I think the FAQ is lying, and actually,
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> V.110 is supported now. However, since I have not tried it, and it's
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> not widly used (and has been implemented not too long ago), I don't
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> know how to configure it, and how well it works. But have a look for
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> yourself - the code is in isdn_v110.c.
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Ok, thanks (I should of course have checked the latest kernel first...
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I was running 2.2.9).
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> I'll correct the FAQ - thanks for the catch! And I'm happy on any
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> feedback how well it works for you...
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Works! (See below)
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Please find enclosed the pppd (async ppp, *not* sync) config file that
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works for us. Feel free to use it in the FAQ.
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If I get the time I'll revise it and submit it as a mini-HOWTO.
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For now, it is at the current URL:
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http://www.oltom.com/Linux/Docs/GSM%20over%20V.110%20Mini-HOWTO.txt
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/Ola Sigurdson
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--
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Email: Ola@Sigurdson.SE Office tel: +46 46 37 01 24
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-------------------------------------------------------------------
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http://www.oltom.com/Linux/Docs/GSM%20over%20V.110%20Mini-HOWTO.txt
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-------------------------------------------------------------------
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V.110 works very well for incoming GSM connections from a Palm Pilot!
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(After some detective work for V.110 and service parameters.)
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Observe that the GSM operator must have a V.110 enable net for this
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to work.
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The main benefit compared to traditional GSM-data is that connection
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setup is
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much faster. Also transmission delay and error rate is slightly lower
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with
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V.110
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In non-V.110 GSM the data call is routed through the operator's
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net to a modem-pool. From there the call goes out as an ordinary
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anlogue call over the PSTN to the dial-in server.
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For V.110 GSM the data call goes to the operator's switch, is converted
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to
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V.110 and routed over ISDN to the dial-in ISDN-card.
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Call setup and data transfer is digital end-to-end.
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GSM over V.110 Micro-HOWTO:
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------------------------------------------------------------------------------
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Get a kernel with V.110 and ISDN-support. 2.2.12 works for us.
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Test your ISDN setup according to /usr/src/Documentation/isdn/*
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Use the standard async PPP daemon on an /dev/ttyIx device.
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Example config files are provided below.
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The main trick to get GSM and V.110 working is the S19=0 register
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setting.
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(The isdn4l code sets it to 197 by default. Is this correct?)
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The config has been tested with the Swedish Comviq (Tele2) operator,
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Palm III,
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Option Snap-On adapter, Eicon Diva 2.01 PCI, Redhat 6.0, Kernel 2.2.12.
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Possibly other operators or hardware require different settings.
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Note the "noccp" and "require-pap" option that disables compression and
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CHAP, which the Palm III cannot handle.
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If you use devices that can handle these protocols, remove the
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corresponding
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options.
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Parameters to change according to local setup:
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----------------------------------------------
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/dev/ttyI0 Device you want to use for incoming GSM calls.
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If unsure, leave it.
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0123456789 Your MSN for incoming GSM calls.
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DialInIP:PalmIP IP address of ppp interface on dialin server,
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IP address that should be assigned to Palm device.
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(If you use symbolic instead of numeric names
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they must be defined in the DNS.)
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palm Name for finding secret for Palm device in /etc/ppp/pap-secrets
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dialin Name for finding secret for Palm device in
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/etc/ppp/pap-secrets
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PASSWORD Your PPP PAP password
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---------- /etc/ppp/options.ttyI0 -------------
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/dev/ttyI0
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lock
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connect '/usr/sbin/chat -t 1 "" "AT&F" "OK"
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"AT&E0123456789&R9600S19=0S0=1" "OK"'
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idle 300
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persist
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passive
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crtscts
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modem
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DialInIP:PalmIP
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nodefaultroute
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proxyarp
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ms-dns 192.168.0.1
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noccp
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noipx
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auth
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require-pap
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remotename palm
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name dialin
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----- /etc/ppp/pap-secrets ---------------------
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palm dialin PASSWORD PalmIP
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----- /etc/inittab -----------------------------
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I0:35:respawn:/usr/sbin/pppd /dev/ttyI0 nodetach
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# nodetach required for things started from init
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------ Modem init string for Palm -------------
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AT&FX4+CBST=71,0,1
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