TC45 Siemens Cellular Engine - Wireless Data Modules

TC45
Siemens Cellular Engine
Version: 02.02
DocID: TC45_rn_02.02

TC45 Release Notes
Confidential / Released
s
mo b i l e
Document Name:
TC45 Release Notes
Version: 02.02
Date: April 16, 2004
DocId:
Status:
TC45_rn_02.02
Confidential / Released
General Notes
Product is deemed accepted by recipient and is provided without interface to recipient’s products. The
documentation and/or product are provided for testing, evaluation, integration and information
purposes. The documentation and/or product are provided on an “as is” basis only and may contain
deficiencies or inadequacies. The documentation and/or product are provided without warranty of any
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arising out of the use or performance of the product and documentation remains with recipient. This
product is not intended for use in life support appliances, devices or systems where a malfunction of
the product can reasonably be expected to result in personal injury. Applications incorporating the
described product must be designed to be in accordance with the technical specifications provided in
these guidelines. Failure to comply with any of the required procedures can result in malfunctions or
serious discrepancies in results. Furthermore, all safety instructions regarding the use of mobile
technical systems, including GSM products, which also apply to cellular phones must be followed.
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(including, without limitation, damages for loss of business profits, business interruption, loss of
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The foregoing limitations of liability shall not apply in case of mandatory liability, e.g. under the German
Product Liability Act, in case of intent, gross negligence, injury of life, body or health, or breach of a
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substantive law.
Copyright
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contents and communication thereof to others without express authorization are prohibited. Offenders
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model or design patent are reserved.
Copyright © Siemens AG 2004
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TC45 Release Notes
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TC45
1 Preamble
This Release Note introduces TC45 02.02 and briefly describes the advantages over earlier
releases. You also find a list of problems and deficiencies known of the present version.
1.1 Related documents
Documents supplied on the installation CD of the “Siemens Mobility Toolkit TC45”:
[1] TC45 Hardware Interface Description, Version 02.02
[2] TC45 AT Command Set, Version 02.02
[3] TC45 Java User’s Guide
[4] Java doc \IMP_SIEMENS\doc\index.html
[5] Multiplex Driver Installation Guide for Windows 2000 and Windows XP
[6] DSB45 Support Box – Evaluation Kit for Siemens Cellular Engines
[7] Application Note 23: Installing TC45 on DSB45
[8] Application Note 24: Application Developer's Guide
[9] TC45 Release Notes 02.02 (this document)
Documents ready for download from the Siemens Website http://www.siemens.com/wm
[10] GPRS Startup User's Guide
[11] Remote-SAT User's Guide
[12] Multiplexer User's Guide
[13] Multiplex Driver Developer’s Guide for Windows 2000 and Windows XP
[14] Application Note 14: Audio and Battery Parameter Download
[15] Application Note 16: Updating TC45 Firmware
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TC45 Release Notes
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2 New features
AT command
AT^SCFG provides new
feature "Automatic
execution of AT
commands"
AT^SJNET includes
additional parameter
AT^SIND includes new
indicators
Character framing
Java IP network
connections over CSD
Improved copy protection
for application software
Brief description
The latest addition to the Siemens defined AT^SCFG command is the
feature "Automatic execution of AT commands", in short referred to as
"AutoExec".
This solution allows you to configure TC45 to automatically execute any
AT command or sequence of AT commands. You can choose whether to
launch the execution by toggling the DTR signal or using a timer
(maximum 240 hours). The AT command(s) to be performed can be any
command supported by TC45. This gives you the flexibility to run any
procedure whatsoever - all you need to do is entering, via AT^SCFG, the
entire AT command sequence.
A typical solution is to schedule a cyclic restart of the mobile, for example if
the network usually deregisters a mobile after inactivity. For this purpose,
use AT^SCFG to set the timer and specify an appropriate command
sequence, such as AT+CFUN=1,1, followed by any further commands to
initialize the module.
Another useful approach is sending a short message once the DTR signal
is activated.
The dial-up connection profile defined with AT^SJNET may now include
the optional parameter . This allows you to specify the number of
seconds to wait before a dial-up connection established from the Java
application will be automatically disconnected if no network activity occurs.
The AT^SIND command comes with the two additional indicators
"vmwait1" and "vmwait2" designed for voice message indication according
to the CPHS Phase 2 standard.
The Java application allows to alter the character framing of the serial
interface by using the Connector.open() string. The supported modes are
7O1, 7E1, 8N1 (default), 8O1 and 8E1.
As of Release 02.02 TC45 modules are designed to use analog services
for setting up Java IP network connections over CSD (i.e. if CSD has been
set with AT^SJNET or OTAP parameters). This solution allows TC45 to
reach normally any remote device, no matter whether it is an ISDN or
analog device.
If nevertheless TC45 fails to reach an ISDN device you have two options:
Either ensure that the remote device is configured to fall back to analog
services, or enable the TC45 module to use only the ISDN protocol V.110.
In the latter case, select CBST=71 for 9600 bps or CBST=75 for
14400 bps. The settings made with AT+CBST must be stored to the user
profile with AT&W.
This note is not relevant if AT^SJNET preferences or OTAP parameters
are set to use GPRS.
Copy protection rules for Java applications are now implemented to
prevent opening, reading, copying, moving or renaming of JAR files. It is
not recommended to use names of Java applications (for example
.jar) for directories, since the copy protection will deny access to
open, copy or rename such directories.
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3 Important notes
The following table contains a list of known problems and provides workarounds where
appropriate.
Item / Category
OTAP failure if HTTP
request is redirected
Problem / Workaround
OTAP cannot be completed if the used service provider redirects the
HTTP request to another URL, as for example the widely used provider
Freenet. If the URL cannot be accessed directly the OTAP will be aborted
and causes TC45 to reboot without loading the requested files.
Workaround:
Make sure that the URLs pointing to the jad and jar files can be reached
directly.
AT+CPMS
Every time before using the AT command AT+CPMS to change the
parameter (during normal operation mode or at start up / initial
sequence), you have to deregister manually from the network by using the
AT command AT+COPS=2. After the execution of the AT+CPMS write
command is finished you can switch back to your previously used settings
of the AT+COPS parameter.
Please keep in mind that the settings of parameter will be stored
non-volatile, and therefore, the command needs to be executed only once.
Unspecific call release
report if "FD" lock is
enabled
If the "FD" lock is active and the user attempts to dial a number that is not
included in the "FD" phonebook, TC45 correctly returns "CME ERROR:
call barred", notifying that the number cannot be dialed. However, if then
the command AT+CEER is issued to obtain an extended call release
report, the response will only be "+CEER: 0,0,0" instead of the expected
more specific response "+CEER: 9,10,0" (= Number not included in FDN
list).
Remote-SAT URC
"^SSTN: 255"
After replacing the SIM card and entering the PIN, it is possible that TC45
sends the URC "^SSTN: 255". The same behavior can occur when the
user enters the PIN after restart without having replaced the SIM card. The
URC does not require any user intervention and can be ignored.
Loopback
The loopback functionality of IP interfaces is not supported.
Behavior of RING line
after call rejection
If a ringing call is rejected by one of the commands ATH, AT+CHUP or
AT+CFUN=0 or 5 or 6 the RING line remains high for approximately
4 seconds.
Behavior of RING line in
data mode
Changing AT+CFUN
parameters during
incoming or active call
If a URC is pending during data mode and the ME is switched back to
command mode, the RING line goes high to indicate the URC, but
remains high for approx. 65ms only instead of 1s as stated in [1] and [2].
If the command AT+CFUN=0 or 1 or 5 or 6 is entered any ringing or active
circuit switched call will be disconnected.
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