Siemens TC63 Benutzerhandbuch

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TC63_ATC_V00.490

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5/24/05

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Once the last service has been closed the bearer shuts down after a timeout of 20 seconds (i.e. the connection

profile GPRS0 or CSD is closed). If a service related to the same connection profile starts up again whithin this

time frame, the bearer will not be closed, but started again. This speeds up the handling of several service

requests. Within this time frame it is neither possible to change the bearer type (from GPRS to CSD or vice versa)

nor to start a service based on a different connection profile. 

To disconnect the bearer before the timeout expires the command 

=0 can be used in the case of

GPRS and 

 in the case of CSD. 

Service type 

Graceful 

Immediate 

Socket 

TCP/IP connection will be closed after the 

transmission of remaining data has com-

pleted. 

TCP/IP connection is closed immediately. All 

remaining data are lost. 

FTP 

FTP upload:

The "OK" response following the command 

=

 indicates that the FTP service has 

accepted the close command - it DOES NOT 

indicate the successful completion of the FTP 

service close procedure. Successful comple-

tion will be indicated by the appropriate URC 

: x,2". The host application can force a 

service shutdown (

= 1) if the 

aforementioned URC doesn't occur after a 

user defined timeout. 

FTP download:

 immediate: TCP/IP 

connection is closed immediately. 

TCP/IP connection is closed immediately. All 

remaining data are lost. 

HTTP 

TCP/IP connection is closed immediately. 

TCP/IP connection is closed immediately. 

SMTP 

The SMTP service sends some "closing" 

commands which are necessary to mark the 

email as successfully sent on the server. The 

service enters the 

 "Closing" 

and remains in this state until the final protocol 

exchange with the SMTP server has com-

pleted. 

The "OK" response following the command 

=

 indicates that the SMTP service has 

accepted the close command - it DOES NOT 

indicate the successful completion of the 

SMTP service close procedure. Successful 

completion will be indicated by the appropri-

ate URC "

: x,2". The host application 

can force a service shutdown (

= 1) if the aforementioned URC doesn't 

occur after a user defined timeout. 

The SMTP service closes the TCP/IP connec-

tion immediately. Email transfer is aborted. 

This mode can be used to cancel an SMTP 

operation. 

POP3 

 immediate: TCP/IP 

connection is closed immediately. 

TCP/IP connection is closed immediately.