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Tunnel mode - outbound calls
What this test checks?
This test checks that outbound calls
can be made using the special Tunnel
mode protocol.
What this result means?
Your port 6667 is closed by and it
needs to be open.
How to fix this issue?
Since most of the router does not have
port 6667 open
Super Tunnel Mode (STM) has been
specially developed to fix this
problem. If you have super Tunnel mode
2 (STM2) working, you will be ok to
make call without opening this port.
However, the audio quality may not be
optimized.
Direct connection to the Internet
Please open the 6667 TCP port at your
personal firewall.
If you are running Windows XP please
check here.
Internet connection via a router or
proxy server
Please open the 6667 TCP port at your
router or proxy server. For more help
with routers please visit
our router
help pages.
If the proxy server is a PC running
ICS under Windows XP please
check here.
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