Tcp/Ip At$ Commands - Intercel SMART SAM2S User Manual

Smart SAM2S User Guide V1.4
UDP AT Command:
the modem and receive its responses, and socket also can be used for remote firmware
update.
.

8.2 TCP/IP AT$ Commands

Communications parameters are stored in Flash using AT$PARAMETERS.
Parameters are defined as:
APN=Access Point Name
USERNAME=Username that may required with GPRS login
PASSWORD=Password that may required with GPRS login
LTCPPORT=Local TCP listening port
RTCPIP=Remote TCP server IP
RTCPPORT= Remote TCP server port
TCPMODE=0 or 1 (0 disable modem TCP client, 1 enable modem TCP client)
LUDPPORT=Local binding UDP port (modem listen for UDP data on this port)
RUDPIP=Remote binding UDP IP (modem only accept data from this IP)
RUDPPORT=Remote binding UDP port (modem send UDP data to this port)
POLLPERIOD=Modem use this time to send TRACE packet to check for GPRS connectivity.
SBREAKTIME=Serial port break time, modem will wait for this break in serial port transmission before
packetize the data and send.
MBREAKTIME=Modem or GSM module serial break time, use to adjust the way the modem rebuild long IP
packet from fragments of CMUX frames.
BAUDRATE=Serial port baud rate.
DATALEN=Serial port data bits 7 or 8
PARITY= NONE or ODD or EVEN
SAMMODE=0 for standard modem, 1 for PSD mode, 2 for CSD mode.
All parameters can be programmed all at once.
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Socket connection allows a user from the host computer to send AT commands to
Ver1.4