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Part 4 – AT Commands for the SocketModem iCell, SocketModem IP, and MultiModem iCell Chapter 14
Universal IP AT Commands Reference Guide (Document S000457K) 82
#CONNECTIONSTART – Start Communication
Description: This command directs the TCP/IP stack to originate an outgoing call.
Upon receiving this command, the TCP/IP stack attempts to complete a connection session.
The TCP/IP stack will dial the number according to the #GPRSMODE value and Dial Option
parameter (DIALN1 or DIALN2 depending on DIALSELECT). If an error occurs, the TCP/IP stack
automatically re-attempts the call origination attempt, according to the REDIALCOUNT
parameter. Once the physical layer is up, the TCP/IP stack runs.
Values: Read Parameters:
DIALN1
DIALN2
DIALSELECT
ISPPW
ISPUN
REDIALCOUNT
REDIALDELAY
Syntax: AT#CONNECTIONSTART
Command
Possible Responses
AT#CONNECTIONSTART
Notes:
Request connection to network.
This is for GPRSMODE=0.
DIALING
Note: Phone line is available
2124560123
Note: Dial DIALN1 or DIALN2 number depending on
DIALSELECT
CONNECT 9600
Note: Modem speed negotiated between both sides. If the
TCP/IP stack is configured for modem only operation
(PPPMODE parameter), there are no more return codes
213.192.200.4
Note: IP address attributed to the TCP/IP stack
Ok_Info_PPP
Note: As soon as the TCP/IP stack software displays this
message, it is ready to receive commands
AT#CONNECTIONSTART
Notes:
Request connection to network.
This is for GPRSMODE=1 or
GPRSMODE=2
Ok_Info_GprsActivation
Note: As soon as the TCP/IP stack software displays this
message, it is ready to receive commands
213.192.200.4
Note: IP address attributed to the TCP/IP stack
AT#CONNECTIONSTART
BUSY
Note: A busy signal is detected on the remote site
TCP/IP stack will wait REDIALDELAY seconds then dial
again. The redialing will continue until success or until the
number of call retries defined in parameter REDIALCOUNT
has been reached.
AT#CONNECTIONSTART
NO CARRIER
Note: A physical connection could not be completed. The
TCP/IP stack will wait REDIALDELAY seconds then dial
again. The redialing will continue until success or until the
number of call retries defined in parameter
REDIALCOUNT has been reached.