Max 8 and 8 Plus User’s Guide – Chapter 4
36
NOTE: If you have more than one Max
behind the same firewall, you must repeat
the process for each unit, opening a
different UDP PORT and TCP PORT for
each.
NOTE: The Max 8/16 and T1/E1 gateway
will not work behind a proxy server.
In Max-to-Max calling (when you call a Max unit from
another Max), if either Max is connected to a LAN that
employs a firewall, you will need to configure settings on
both the Max and the firewall before Max-to-Max calls can
be placed. This section will explain how to make the
necessary adjustments.
1. On the Firewall:
a. Open UDP PORT 6801.
b. Open an additional UDP PORT in the range
of 21000-65535.
c.
Open a TCP PORT in the range of 4000 –
4015 for 8 ports and 4000 – 4031 for 16
ports. This must not be the same number
port you opened in the previous step.
(The maximum number in the range is
determined by the following formula:
Maximum = 4000 + (number of ports * 2) –
1.)
2. In the Network Configuration Table on Max’s
Network and Voice Configuration page:
After opening the appropriate UDP PORT and
TCP PORT on the firewall, you must specify
these open ports on the Max device(s):
a. Change the TCP Start Port to the port you
opened in step 1-c above. For example, if
you opened TCP PORT 21057 in step 1-c,
enter
21057
for the TCP Start Port as
shown in
Figure 13 – Network Configuration
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