Sierra Wireless RJ-11 - Manual (Page 59)

Hardware
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• If no phone number (IP address) is specified, the Desti‐
nation IP Address configured for the port is used.
• If no port number is specified, the Destination TCP Port
configured for the port is used.
• The source port for the TCP connection follows the Source
TCP Port configured for the port.
Port Settings
Most of the serial port settings (like baud rate) are controlled
by the configured port settings on the device server. Modem
emulation does not support changing these from AT
commands.
Fixed format aaabbbcccddd or
192168001001 12 digit IP address, each number is three
decimal digits with leading zeroes
Optional port
number :xxxxx Decimal TCP port number from 0..65535
Format Example Notes