VEGA INSYS Modem GPRS 5.0 - Manual (Page 39)

INSYS GPRS 5.0 serial Connection
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The alternative destination is specified with the following settings:
Connection to an IP address as alternative access
Setting for leased line function AT**LL2=2
Remote terminal IP address AT**AUTOIP2=<ip>
Remote terminal TCP port AT**AUTOPORTIP2=<port>
Save settings AT**RESET
Perform RESET,
accept all parameters AT**SAVE
Connection to a domain name as alternative access
Setting for leased line function AT**LL2=3
Remote terminal domain name AT**AUTOURL2=<url>
Remote terminal TCP port AT**AUTOPORTIP2=<port>
Save settings AT**SAVE
Perform RESET,
accept all parameters AT**RESET
The successfully established connection is indicated by the control signal DCD and
the message CONNECT.
5.2.4 Settings for TCP Listen (incoming TCP connections)
The function TCP Listen allows the acceptance of incoming TCP connections. The
device will dial into the GPRS network und wait for incoming TCP connections.
Enter the following settings for the operating mode TCP Listen:
: