MX Series Voice Gateway User Manual
New Rock Technologies, Inc. 55
Figure 2-39 Interface of system advanced configuration
Table 2-21 NAT Configuration Parameters
Call recordings are stored on an external Windows or Linux based recording server, on which
the agent provided by New Rock collects and stores the call recording files. For more
information, see the Recording Agent User Guide.
Set this parameter to the IP address of the server.
Note: The recording function needs to be enabled for the subscriber line.
Gateways support several mechanisms for NAT traversal. Usually, static NAT is used when a
fixed public IP address is available. It is necessary to perform port mapping or DMZ function on
router when choosing dynamic or static NAT.
The refresh time must be filled in here when choosing dynamic NAT. Refresh time interval shall
be determined by giving consideration to the NAT refresh time of the LAN router where the
gateway is located. Gateway’s NAT holding function will carry out periodic operation according
to this parameter. With seconds as its unit, default value of 60 seconds.
NAT IP Address: Use NAT public address.
Local IP Address: Use the gateway’s IP address.
Note: NAT IP Address is effective when the device successfully obtains NAT public address.
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