2N VoiceBlue Enterprise - User Manual - Manual (Page 53)

Administration 3-29
GPRS router
Some of GSM providers allow to assign static/public IP address to
certain SIM card. Then it is possible to access devices in the
network behind VoiceBlue Enterprise via IP (when GPRS
connection is established) thanks to port mapping.
•
Protocol – selection of UDP or TCP traffic
•
Port – external port mapped to the internal network
•
New IP – internal network IP address to which is traffic
mapped from predefined port
•
Description – description of this port mapping rule