Siemens XT65 - Manual (Page 57)

Java User’s Guide
8.4 Short Message Format
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The length of the string parameters in the AT command is limited (see Table 10 ), the length in
the SM is only limited by the maximum SM length.
The minimum set of required parameters depends on the intended operation (see Table 10 ).
“optional/P” indicates that this parameter is only necessary when a POST result is desired.
8.4 Short Message Format
An OTAP control SM must use a Submit PDU with Class1, PID $7d and 8 bit encoding. As a
fallback for unusual network infrastructures the SM can also be of Class0 and/or PID $00. The
content of the SM consists of a set of keywords and parameter values all encoded in ASCII
format. These parameters can be distributed over several SMs. There is one single keyword to
start the OTAP procedure. For parameters that are repeated in several SMs only the last value
sent is valid. For example, an SM could look like this:
Install operation:
First SM:
OTAP_IMPNG
PWD:secret
JADURL:http://www.greatcompany.com/coolapps/mega.jad
APPDIR:a:/work/appdir
HTTPUSER:user
HTTPPWD:anothersecret
Second SM:
OTAP_IMPNG
PWD:secret
BEARER:gprs
APNORNUM:access.to-thenet.net
NETUSER:nobody
NETPWD:nothing
DNS:192.168.1.2
START:install
Delete operation:
OTAP_IMPNG
PWD:secret
APPDIR:a:/work/appdir
START:delete
The first line is required: it is used to identify an OTAP SM. All other lines are optional and their
order is insignificant, each line is terminated with an LF: '\n' including the last one. The key-
words, in capital letters, are case sensitive. A colon separates the keywords from their values.
Ignore SM PID -- -- -- --
Hide HTTP authentica-
tion parameters
-- -- -- --
Table 10: Parameters and keywords
Parameters Max. Length AT Keyword SM Install/update delete