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Sony Erricson GC82 How To Table of Contents

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SonyВ ErricsonВ GC82В HowВ To
DocumentedВ byВ Roger
roger<at>eskimo.com
2004.01.17
Original posting of this “how to”:
http://www.eskimo.com/~roger/files/doc/howtoВ­gc82.html
TarballВ ofВ files:
http://www.eskimo.com/~roger/files/packages/gc82В­20050117.tar.bz2
YouВ areВ freeВ toВ grabВ anyВ portionsВ ofВ thisВ document.В В JustВ beВ sureВ toВ creditВ theВ authors.
CreatedВ withВ OpenOffice.orgВ ;В­)
TableВ ofВ Contents
1) Enable serial_cs within the Linux Kernel
2) Hack the ppp auth source code
3) Create ppp config files
4) Connect to the network
5) User space utilities
6) External Antennas
7) Final notes and rants
8) Additional Information and Credits
1)В EnableВ serial_csВ withinВ theВ LinuxВ Kernel
ThisВ isВ onlyВ ifВ youВ areВ notВ usingВ aВ preВ­madeВ kernelВ fromВ aВ LinuxВ distributionВ В­В­В then,В IВ wouldВ believeВ thisВ hasВ alreadyВ beenВ doneВ forВ you.
/usr/src/linux # make menuconfig
DeviceВ DriversВ >В CharacterВ DevicesВ >В SerialВ DriversВ >В <*> 8250/16550 and compatible serial support
[ ]
Console on 8250/16550 and compatible serial port
<M>
8250/16550 PCMCIA device support
[ ]
8250/16550 device discovery via ACPI namespace
(4)
Maximum number of non-legacy 8250/16550 serial ports
[ ]
Extended 8250/16550 serial driver options
--- Non-8250 serial port support
AndВ now,В asВ usual,В rebuildВ &В rebootВ theВ newВ kernel.
Note:В IВ compiledВ theВ serial_csВ asВ moduleВ andВ onlyВ foundВ oneВ serialВ portВ (ie.В /dev/ttyS2)В beingВ linkedВ uponВ insertingВ theВ card.В WithВ theВ serial_csВ asВ module,В I'mВ findingВ twoВ serialВ portsВ being
linkedВ whenВ theВ cardВ isВ insertedВ (ie.В /dev/ttyS0В &В /dev/ttyS2).
2)В HackВ theВ pppВ authВ sourceВ code
ThereВ areВ twoВ possibleВ patchesВ onВ theВ webВ andВ bothВ workВ fineВ againstВ netВ­dialup/pppВ­2.4.1В­r14В (gentoo).
(SeeВ stepВ #3В beforeВ proceedingВ withВ thisВ StepВ #2В asВ StepВ #2В isВ notВ requiredВ whenВ providingВ theВ ":10.0.0.1"В optionВ withinВ pppВ peers.)
PlaceВ oneВ ofВ theВ twoВ patchesВ listedВ belowВ withinВ theВ netВ­dialup/ppp/filesВ folder.В AddВ oneВ ofВ theВ followingВ linesВ toВ theВ pppВ­2.4.1В­r14.ebuildВ andВ uncommentВ theВ oneВ forВ theВ patchВ you'reВ using:\
$ cat /usr/local/portage/net-dialup/ppp/ppp-2.4.1-r14.ebuild
#epatch ${FILESDIR}/auth.c.segc82.patch
epatch ${FILESDIR}/auth.c.segc82.patch.new
|grep auth.c
YouВ mayВ haveВ toВ doВ aВ "ebuildВ /usr/local/portage/netВ­dialup/ppp/pppВ­2.4.1В­r14.ebuildВ digest",В butВ justВ "emergeВ /usr/local/portage/netВ­dialup/ppp/pppВ­2.4.1В­r14.ebuild"В shouldВ workВ justВ fineВ &
dandy.В I'mВ usingВ PORTDIR_OVERLAY=/usr/local/portageВ inВ make.confВ toВ preserveВ myВ work,В otherwise,В youВ canВ justВ useВ yourВ /usr/portageВ folderВ butВ bewareВ thisВ workВ withВ beВ goneВ onВ aВ emerge
sync.
$ cat /usr/local/portage/net-dialup/ppp/files/auth.c.segc82.patch
--- ppp-2.4.1.pppoe4.orig/pppd/auth.c
2004-06-22 03:02:52.566353000 -0400
+++ ppp-2.4.1.pppoe4/pppd/auth.c
2004-06-22 03:07:41.003504064 -0400
@@ -1759,6 +1759,11 @@
u_int32_t addr;
{
addr = ntohl(addr);
+/* Hook for Sony Ericsson Edge PC Card GC82 to let 127.0.0.2 through */
+
if (2130706434 == addr) {
+
fprintf(stderr, "SE GC82 Hack -- Permitting 127.0.0.2\n");
+
return 0;
+
}
return (addr >> IN_CLASSA_NSHIFT) == IN_LOOPBACKNET
|| IN_MULTICAST(addr) || IN_BADCLASS(addr);
}
$ cat /usr/local/portage/net-dialup/ppp/files/auth.c.segc82.patch.new
--- pppd.orig/auth.c
2004-06-22 13:47:40.870430000 -0400
+++ pppd/auth.c 2004-06-22 13:52:03.552496592 -0400
@@ -1758,9 +1758,23 @@
bad_ip_adrs(addr)
u_int32_t addr;
{
addr = ntohl(addr);
return (addr >> IN_CLASSA_NSHIFT) == IN_LOOPBACKNET
|| IN_MULTICAST(addr) || IN_BADCLASS(addr);
+// GC82 hack to allow 127.0.0.2
+if((addr>>IN_CLASSA_NSHIFT) == IN_LOOPBACKNET) {
+
printf("class a octet of addr in loopback network\n");
+
printf("forcing exit with success anyway!!!!!!\n");
+
return 0;
+} else if(IN_MULTICAST(addr)) {
+
printf("addr is in multicast network\n");
+
return 1;
+} else if(IN_BADCLASS(addr)) {
+
printf("addr is in a bad class\n");
+
return 1;
+} else {
+
return 0;
+}
+//
addr = ntohl(addr);
+//
return (addr >> IN_CLASSA_NSHIFT) == IN_LOOPBACKNET
+//
|| IN_MULTICAST(addr) || IN_BADCLASS(addr);
}
/*
3)В CreateВ pppВ configВ files
Note,В ":10.0.0.1"В isВ neededВ toВ avoidВ beingВ assignedВ theВ 127.0.0.2В addressВ forВ routing.В TheВ AT&TВ networkВ assignsВ yourВ boxВ 127.0.0.2В forВ theВ defaultВ gatewayВ inВ orderВ toВ routeВ packetsВ throughВ the
windows ndiswan device drivers in windows. (I'm wondering if a Linux WAN driver could be utilized to do what the Windows ndiswan driver does on windows – which I'm guessing the optimizes
theВ tcp/ipВ headersВ orВ someВ otherВ optimization?)В SinceВ weВ areВ notВ usingВ windowsВ (winxp),В andВ apparentlyВ thereВ areВ onlyВ driversВ forВ theВ MACВ O/SВ andВ Windows,В weВ willВ haveВ toВ bypassВ the
optimizationВ hackВ theyВ useВ andВ goВ withВ communicatingВ directlyВ withВ theВ AT&TВ networkВ usingВ ":10.0.0.1".
$ cat /etc/ppp/peers/attws
# This optionfile was generated by pppconfig 2.1.
#
#
hide-password
noauth
#-detach
connect "/usr/sbin/chat -v -V -t3 -f /etc/chatscripts/attws"
#disconnect "/usr/sbin/chat -v -f /etc/chatscripts/attws-disconnect"
#debug
/dev/ttyS2
#230400
115200
defaultroute
noipdefault
usepeerdns
#local
remotename attws
ipparam attws
#usepeerdns
#nodetach
crtscts
#lock
#passive
novj
novjccomp
#lcp-echo-failure 4
#lcp-echo-interval 65535
#user " "
#recieve-all
#nopcomp
#noacomp
#nomagic
#modem
#noccp
nodeflate
:10.0.0.1
nobsdcomp
$ cat /etc/chatscripts/attws
# This chatfile was generated by pppconfig 2.1.
# Please do not delete any of the comments. Pppconfig needs them.
#
# ispauth CHAP
# abortstring
#ABORT BUSY ABORT 'NO CARRIER' ABORT VOICE ABORT 'NO DIALTONE' ABORT 'NO DIAL TONE' ABORT 'NO ANSWER' ABORT DELAYED
#TIMEOUT 10
#ABORT 'BUSY' ABORT 'NO ANSWER' ABORT 'NO CARRIER'
#SAY 'Starting GPRS connect script\n'
# modeminit
#'' ATZ
# Eo=No echo, V1=English result codes
#OK
'ATE0V1'
'' AT+cfun=1
OK AT+cgreg=1
OK AT
#TIMEOUT 40
#Try some optional AT Commands
# /begin att
OK AT&F&D2&C1E0V1S0=0
OK AT+IFC=2,2
OK ATS0=0
OK AT
OK AT&F&D2&C1E0V1S0=0
OK AT+IFC=2,2
# /end att
#AT&FE0S0=0
#AT&F0&D2+IFC=2,2V1Q0XIS0=0S7=50+CMEE=1
# Set Access Point Name (APN)
SAY
'Setting APN\n'
#REG:\s1 AT+cgdcont=1,"IP","proxy"
OK
'AT+CGDCONT=1,"IP","proxy"'
# ispnumber
SAY
'Dialing...\n'
#REG:\s1 'ATD*99***1#'
OK
ATD*99***1#
#OK
'ATD*##***##'
OK
# ispconnect
#CONNECT \d\c
CONNECT ''
#OK-AT-OK ATDTreplace_with_number
# ispconnect
#CONNECT \d\c
#prelogin
#ispname''
#isppassword''
#postlogin
# end of pppconfig stuff
# cat /etc/chatscripts/attws-disconnect
#
""
"\K"
""
"+++ATH0"
SAY
"GPRS disconnected"
# cat /etc/ppp/pap-secrets
(none) * password
"user" MyPeer "passwd"
" " attws "dummy"
"Sierra Wireless" ac750
#"Sierra Wireless" ac7x0 ""
(AsВ youВ canВ seeВ byВ allВ theВ "#",В IВ haveВ doneВ quiteВ aВ bitВ ofВ bitВ­banging.В ;В­)
*Note:В DifferentВ radioВ towersВ orВ serviceВ providersВ mayВ requireВ slighlyВ augmentedВ chatВ scripts!В IВ noticedВ whileВ roaming,В "novj"В &В "novjccomp"В isВ requiredВ asВ notedВ inВ theВ aboveВ pppВ optionsВ posted
includingВ theВ chatВ scriptВ postedВ above.В ButВ ifВ youВ planВ onВ usingВ theВ standardВ AT&TВ network,В youВ willВ needВ toВ modifyВ theВ scriptВ fileВ asВ postedВ below.
IВ alsoВ noticedВ thatВ someВ serversВ (orВ serviceВ providers),В respondВ differentlyВ withВ eitherВ aВ "CONNECT"В orВ "OK"В afterВ theВ dialВ command.В SometimesВ IВ noticedВ thatВ eitherВ orВ wereВ accepted.
$ cat /etc/chatscripts/attws.att
# This chatfile was generated by pppconfig 2.1.
# Please do not delete any of the comments. Pppconfig needs them.
#
# ispauth CHAP
# abortstring
#ABORT BUSY ABORT 'NO CARRIER' ABORT VOICE ABORT 'NO DIALTONE' ABORT 'NO DIAL TONE' ABORT 'NO ANSWER' ABORT DELAYED
#TIMEOUT 10
#ABORT 'BUSY' ABORT 'NO ANSWER' ABORT 'NO CARRIER'
#SAY 'Starting GPRS connect script\n'
# modeminit
#'' ATZ
# Eo=No echo, V1=English result codes
#OK
'ATE0V1'
'' AT+cfun=1
OK AT+cgreg=1
OK AT
TIMEOUT 40
#Try some optional AT Commands
# /begin att
#OK AT&F&D2&C1E0V1S0=0
#OK AT+IFC=2,2
#OK ATS0=0
#OK AT
#OK AT&F&D2&C1E0V1S0=0
#OK AT+IFC=2,2
# /end att
#AT&FE0S0=0
#AT&F0&D2+IFC=2,2V1Q0XIS0=0S7=50+CMEE=1
# Set Access Point Name (APN)
SAY
'Setting APN\n'
REG:\s1 AT+cgdcont=1,"IP","proxy"
#OK
'AT+CGDCONT=1,"IP","proxy"'
# ispnumber
SAY
'Dialing...\n'
#REG:\s1 'ATD*99***1#'
OK
ATD*99***1#
#OK
'ATD*##***##'
#OK
# ispconnect
#CONNECT \d\c
CONNECT ''
#OK-AT-OK ATDTreplace_with_number
# ispconnect
#CONNECT \d\c
#prelogin
#ispname''
#isppassword''
#postlogin
# end of pppconfig stuff
4)В ConnectВ toВ theВ network
IВ differentiatedВ theВ fileВ namesВ forВ theВ chatВ andВ pppВ optionsВ filesВ byВ appendingВ ".att"В &В ".roaming".
SoВ now,В IВ doВ eitherВ ofВ theВ followingВ inВ orderВ toВ activateВ aВ wirelessВ connectionВ withВ theВ network:
$ pon attws.att
or
$ pon attws.roaming
(TheВ attwsВ­disconnectВ chatВ scriptВ isn'tВ reallyВ neededВ fromВ whatВ IВ see.В MatterВ ofВ fact,В theВ GC82В isВ particularВ aboutВ beingВ initializedВ andВ theВ disconnectВ chatВ scriptВ seemsВ toВ justВ makeВ thingsВ messier
forВ me.)
5)В UserВ spaceВ utilities
TheВ firstВ stepВ youВ mustВ performВ beforeВ usingВ theВ GC82В viaВ aВ userВ spaceВ utilityВ thatВ supportsВ theВ ATВ CommandВ setВ isВ toВ initializeВ theВ GC82.В TheВ GC82В willВ acceptВ noВ otherВ ATВ CommandВ untilВ you
send the GC82 the “AT+cfun=1”. This, I believe allows the GC82 to accept AT Commands.
# /usr/sbin/chat -t2 '' AT+cfun=1 > /dev/ttyS2
ChatВ isВ apartВ ofВ theВ netВ­dialup/pppВ package.
YouВ mayВ needВ toВ sendВ theВ cfun=1В ATВ CommandВ twiceВ orВ youВ mayВ receiveВ anВ error.
Gsmlib
netВ­misc/gsmlib
http://www.pxh.de/fs/gsmlib/
I'mВ usingВ netВ­misc/gsmlibВ­1.11_pre030826В andВ findВ gsmlibВ worksВ withВ theВ GC82.
ListВ allВ featuresВ (WillВ hangВ halfwayВ onВ anВ unsupportedВ feature.В I'mВ guessingВ theВ FORWВ optionВ isВ theВ problem.)
$ gsmctl -d /dev/ttyS2 all
Show the signal strength. After the modem is first successfullly initialized with the cfun=1 AT Command, the signal will show “99” for ~5 seconds depending on signal quality. After the ~5
seconds,В youВ willВ thenВ showВ theВ actualВ signalВ levelВ (ie.В 13).В Remember,В thisВ deviceВ usesВ radioВ signalsВ andВ ifВ theВ signalВ strengthВ isВ tooВ low,В youВ willВ alsoВ receiveВ errorsВ withВ gsmctlВ commands!В The
siganlВ strengthВ commandВ follows:
$ gsmctl -d /dev/ttyS2 sig
ListВ availableВ operators.
$ gsmctl -d /dev/ttyS2 op
YouВ canВ doВ otherВ operationsВ withВ gsmctlВ suchВ asВ registerВ &В deregisterВ usingВ anВ operator,В setВ forwarding,В andВ setВ locksВ &В pins.В ReadВ 'manВ gsmctl'В forВ moreВ information.В SendВ textВ smsВ messagesВ easilyВ fromВ theВ commandВ line!
$ gsmsendsms -d /dev/ttyS2 6195040000 "Hello, World" -r
There are also daemon tools (ie gsmsmsstore and gsmsmsd) to monitor for sms messages, somewhat like setting up postfix and will deliver messages to folders such as “sent”, “failed” and “spool”.
However,В usingВ thisВ utilityВ locksВ theВ GC82,В preventingВ pppВ fromВ usingВ theВ deviceВ (orВ viceВ versa).
Gnokii
netВ­dialup/gnokii
http://www.gnokii.org/
I'mВ guessingВ gnokiiВ willВ moreВ thenВ likelyВ workВ withВ thisВ deviceВ asВ longВ asВ somebodyВ canВ findВ theВ correctВ modelВ numberВ toВ useВ withinВ theВ gnokii.confВ file.В UsersВ wishingВ toВ achieveВ thisВ willВ needВ to
postВ toВ theВ gnokiiВ mailingВ listВ toВ haveВ theВ developersВ supplyВ youВ withВ aВ properВ modelВ numberВ toВ useВ orВ toВ furtherВ troubleshoot.В IВ findВ GnokiiВ developersВ moreВ thenВ happyВ toВ workВ withВ othersВ to
findВ furtherВ supportedВ devices.В ForВ theВ timeВ being,В I'mВ moreВ thenВ happyВ withВ usingВ gsmlib.
I'mВ guessingВ theВ WindowsВ O/SВ softwareВ packagedВ withВ theВ GC82В seemsВ toВ useВ it'sВ ownВ pppВ dialerВ daemonВ inВ orderВ toВ beВ ableВ toВ performВ simaltaneousВ operationsВ withВ thisВ deviceВ suchВ as
monitoringВ signalВ strengthВ andВ currentВ operatorВ whileВ maintainingВ aВ pppВ connection.В AsВ toВ howВ toВ accomplishВ theВ sameВ methodВ onВ LinuxВ moreВ easilyВ mightВ beВ toВ codeВ inВ anВ optionalВ kernelВ driver
toВ putВ thisВ informationВ intoВ /procВ whichВ isВ codedВ justВ underneathВ theВ serial_csВ driver.В OtherВ devicesВ thatВ wouldВ beВ ableВ toВ useВ thisВ optionalВ driverВ wouldВ alsoВ includeВ mobile/cellВ phonesВ which
alsoВ useВ theВ signalВ andВ operatorВ functions.В AndВ toВ note,В mobileВ phonesВ canВ alsoВ beВ attachedВ viaВ USBВ andВ IRDA.
MyВ Script
I'mВ tryingВ toВ createВ aВ scriptВ utilizingВ theВ gsmlibВ &В pppВ toolsВ inВ orderВ toВ connectВ toВ defineВ whetherВ IВ amВ onВ aВ localВ orВ roamingВ network.В OnceВ decided,В connectВ toВ theВ localВ networkВ ifВ possible,В else
useВ theВ roamingВ network.В Currently,В IВ doВ everythingВ manuallyВ fromВ findingВ theВ networkВ operatorsВ &В signalВ strengthВ toВ connectingВ withВ pon.В IfВ IВ getВ somethingВ working,В IВ willВ postВ it.В ButВ forВ now,
I'm running into a bug with scripting “pon”, gsmlib, chat – altogether. Seems to be locking up the device completely and requires manually removing and re­inserting the GC82 card. And another
noteВ aboutВ stability,В isВ theВ GC82В seemsВ toВ lockВ upВ dueВ toВ heatВ whileВ onВ aВ roamingВ network.В However,В furtherВ debuggingВ showsВ theВ GC82В stableВ afterВ 12В hoursВ ofВ beingВ locatedВ inВ aВ ~10FВ degrees
hotterВ areaВ whileВ beingВ connectedВ toВ theВ localВ AT&TВ network.
YouВ canВ findВ myВ gc82con.shВ &В gc82sig.shВ scriptsВ withinВ theВ files/scriptsВ folder.
IВ haveВ workedВ outВ mostВ ofВ theВ bugsВ withВ gc82con.shВ andВ gc82sig.shВ isВ aВ simpleВ scriptВ toВ checkВ forВ signalВ strengthВ whileВ movingВ aroundВ yourВ antenna.
TheВ notesВ onВ howВ toВ useВ theВ gc82con.shВ areВ withinВ theВ topВ ofВ theВ document.В TheВ scriptВ reliesВ onВ myВ /etc/chatscripts/attws.attВ &В /etc/chatscripts/attws.roamingВ chatscriptsВ modifiedВ accordingВ to
thisВ GC82В Howto.В DoВ notВ forgetВ toВ modifyВ theВ $DEVICEВ variableВ toВ pointВ towardsВ yourВ ttyВ device.В IfВ youВ haveВ anyВ ideasВ onВ simplifyingВ theВ integrationВ ofВ theВ gc82con.shВ scriptВ forВ otherВ users,
pleaseВ fealВ freeВ toВ emailВ yourВ suggestions.В CreatingВ oneВ simpleВ chatscriptВ andВ peersВ fileВ wouldВ beВ greatlyВ appreciated!
6)В ExternalВ Antennas
TheВ externalВ antennaВ adapterВ onВ theВ SonyВ &В EricssonВ GC82В isВ aВ propitiatoryВ oneВ forВ theВ timeВ being.В YouВ canВ easilyВ acquireВ aВ moreВ steadyВ signalВ byВ usingВ aВ simpleВ patchВ cordВ antennaВ orВ aВ simple
magneticВ vehicleВ mountВ antenna.
Both solutions are available with the GC82 propitiatory connector from Mertie and are represented in the US by Mobile Mounting Solutions, Inc. 972-838-2420 (an 800 number is available, but I do not have it
handy at the moment). http://www.mobilemounts.com/
MEВ MTCSВ­8815В PatchВ AntennaВ $20.00
MEВ MTCSВ­102В MiniВ MagВ MountВ AntennaВ $20.00
These antenna have ~3 feet of antenna wire which is quite short but necessary when understanding the dynamics of signal strength ratio to antenna wire usage. The “patch antenna” is a small
black plastic dome which can be tossed out a window, hung ~3 feet above you or simply placed around obstacles to acquire the more steady signal strength. The “mini mag mount antenna” is a
smallВ stubbyВ antennaВ withВ aВ magnetВ atВ theВ base.В IВ useВ thisВ vehicleВ antennaВ ontopВ ofВ myВ FordВ EscapeВ andВ justВ barelyВ touchesВ myВ YakimaВ LoadВ WarriorВ rackВ toВ provideВ anВ evenВ betterВ signal.
ThereВ areВ otherВ solutionsВ suchВ asВ amplifiersВ andВ otherВ antennaВ models.В PleaseВ feelВ freeВ toВ emailВ yourВ experiencesВ withВ amplifiersВ orВ otherВ solutions.В MyВ onlyВ grudgeВ againstВ usingВ anВ amplifierВ is
theВ amplifiersВ willВ generallyВ requireВ anВ additionalВ 12VВ powerВ supplyВ andВ theВ amplifiersВ willВ generallyВ costВ ~$200.00.В PleaseВ letВ meВ knowВ ifВ youВ findВ theВ amplifiersВ worthwhile!
7)В FinalВ notesВ andВ rants
AT&TВ DataВ supportВ wasВ notВ tooВ helpfulВ butВ theyВ gladlyВ routedВ meВ toВ aВ supervisorВ whenВ asked.В FromВ whatВ IВ see,В AT&TВ isn'tВ tooВ LinuxВ friendly.В SlightlyВ moreВ expensiveВ monthlyВ butВ isВ EDGE
enabled. I currently see ~5.6K­20.0KB max. ~5.6K­12.0KB while moving on the freeway with some drop­outs and I'm doing even better using a simple vehicle mount antenna – providing me
withВ noВ dropВ­outsВ untilВ I'mВ outВ ofВ networkВ rangeВ andВ IВ doВ notВ needВ toВ sitВ stillВ toВ acquireВ theВ higherВ speedВ rates.В SittingВ stillВ andВ atВ aВ goodВ spotВ onВ theВ freewayВ isВ requiredВ forВ theВ betterВ speedВ rates
В­В­В preferablyВ atВ aВ RestВ Area!В (AsВ forВ speedВ ratesВ inВ Linux,В I'mВ gettingВ aboutВ theВ sameВ В­В bothВ pingВ timesВ andВ speedВ rates.В AsВ toВ theВ functionВ ofВ whatВ ndiswanВ driversВ doВ inВ windows,В IВ canВ onlyВ guess
thatВ theyВ slightlyВ optimizeВ theВ tcp/ipВ connectionВ byВ reducingВ redundantВ checks.В ThisВ isВ onlyВ aВ guess.)
TMOBILEВ DataВ supportВ wasВ gladВ toВ recognizeВ thatВ IВ usedВ LinuxВ andВ quicklyВ routedВ meВ toВ aВ seniorВ techВ support,В whichВ onlyВ wasВ ableВ toВ provideВ APNВ andВ ATDВ info.В IВ statedВ myВ pppВ connectВ issues
withВ theВ AC750В whenВ connectingВ butВ he
couldВ notВ assistВ furtherВ dueВ toВ hisВ lackВ ofВ knowledgeВ withВ Linux/Unix.В TheyВ areВ slatedВ toВ enableВ EDGEВ inВ theВ SummerВ ofВ 2004В В­В­В supposedly.В TheВ monthlyВ feesВ areВ cheaperВ thenВ AT&TВ Wireless.В All
inВ all,В IВ droppedВ theВ AC750/TMOBILEВ forВ theВ fasterВ AT&TВ EdgeВ enabledВ option.
TheВ dataВ onВ theВ otherВ websitesВ currentlyВ isВ completelyВ misleading.В I'veВ beenВ usingВ satelliteВ technologyВ forВ manyВ yearsВ andВ I'veВ seenВ nothingВ butВ inaccurateВ dataВ aboutВ howВ satelliteВ network
devicesВ "workВ inВ Linux"В whenВ theyВ doВ not!В TheyВ needВ additionalВ "hacked"В codeВ toВ optimizeВ tcp/ipВ communicationsВ В­В­В ofВ which,В fromВ whatВ IВ understand,В thisВ "hacked"В codeВ isВ notВ GNUВ friendlyВ as
thisВ "hacked"В codeВ hasВ beenВ usedВ forВ ~5В yearsВ now.
InВ otherВ words,В I'mВ seeingВ peopleВ postВ toВ sayВ itВ "worksВ inВ Linux",В onlyВ forВ theВ consumerВ toВ buyВ intoВ theВ productВ andВ thenВ findingВ itВ onlyВ works,В butВ willВ notВ communicateВ withВ theВ serversВ atВ a
desirableВ speedВ rate.В SinceВ youВ cannotВ attainВ theВ desirableВ speedВ rateВ withoutВ theseВ optimizedВ drivers/code,В theВ deviceВ isВ basicallyВ disВ­functionalВ atВ thatВ slowВ speedВ rate.В (Reader,В youВ canВ research
postsВ I'veВ madeВ aboutВ StarbandВ andВ usageВ ofВ theВ "bcp/ip"В protocolВ usingВ Linux,В youВ willВ seeВ theВ sameВ scenarioВ displayed.)
FeelВ freeВ toВ emailВ meВ atВ roger<at>eskimo.comВ ifВ youВ haveВ anyВ questions.В HopefullyВ theВ dataВ hereВ willВ preventВ peopleВ fromВ goingВ throughВ theВ sameВ heckВ asВ I'veВ beenВ throughВ (and,В allВ this
hardwareВ costsВ ~$1,000+В ;В­).
8)В AdditionalВ InformationВ andВ Credits
IВ wouldВ likeВ toВ creditВ theВ followingВ sitesВ forВ providingВ additionalВ info:
"LinuxВ Unwired"В O'ReillyВ Books
http://www.oreilly.com/catalog/lnxunwired/
GC82В В­В AT&TВ WirelessВ ForumВ ThreadВ (providesВ aВ quickВ howto)
http://developerboards.attwireless.com/attwsddp/board/message?board.id=techsupport&message.id=952
GC75В LinuxВ HowВ To
http://www.internecik.com/?p1=howto&a1=se_gc75linux
Brian at “Mobile Mounting Solutions, Inc.” for providing a patch and magnetic mount antennas and providing further information.
PhoneВ 972В­838В­2420
FaxВ 972В­838В­2420
http://www.mobilemounts.com/meritie%20product%2040408.pdf
GC82В В­В MACВ (addsВ someВ additionalВ info)
http://www.jiwire.com/sonyericsson-gc82-edge-card-tips-troubleshooting.htm
AC750В В­В ManufacturersВ Instructions
http://www.sierrawireless.com/SupportDownload/ac7x0_linux.asp
AC750В В­В TВ­MobileВ WirelessВ onВ LinuxВ (AC750)
http://www.xmission.com/~bmidgley/tmobile/
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