Technical information

Chapter 2: AT+i Commands Reference
May 31, 2008 AT+i Commands Reference Manual 2-111
3 AT+iISP1 =<ISP/Provider dial number> (usually *99**1#)
4 AT+iMIS="AT+CGDCONT=1,IP,<Proxy>"
Note 3:Changing from modem type 4 (Falcom GSM):
When W24 is configured with MTYP=4, the MTYP parameter must first be changed to
the special value 99 before it can be changed to some other value.
Note 4:Working with SiLABS World modems:
With modem type 10 selected, W24 waits 300msec after issuing ATZ at the end of a
session before issuing additional commands to the modem.
+iWTC - Wait Time Constant
+iTTO - TCP Timeout
Syntax: AT+iWTC=n
This parameter is used to set the modem register S7 to the
required value (using the "ATS7=n" command).
Parameters: n=0..255
Command Options: The WTC parameter defines a timeout constant for a variety of
modem activities. For a detailed description of this parameter, see
the ATS7=n command in the AT command set manual for the
modem in use.
Default: 45 seconds
Result Code:
I/OK If n is within limits.
I/ERROR Otherwise.
AT+i WT C~ n Temporarily sets the Wait Time Constant value for one session.
The permanent value will be restored after completing the next
session, both if the session was successful or not.
AT+iWTC? Reports the current Wait Time Constant used. The reply is
followed by I/OK.
AT+iWTC=? Returns the message "0-255". The reply is followed by I/OK.
Syntax: AT+iTTO=n
Sets the number of seconds W24 allots an Internet transaction to
complete before returning the timeout error.
Parameters: n=0..3600 seconds