Isdn Dial-In Number Missing Or Wrong - TELES VoIP Box DSL Series Reference Manual

9 Troubleshooting
Symptoms
The gateway cannot be accessed from remote.
There is ethernet activity on the gateway.
Ping works if you connect directly to the gateway.
The gateway can be accessed via GATE Manager if you
connect directly to the gateway.
Solution
Make sure there is ethernet activity by checking the
ethernet
Functionality
not blinking, the ethernet cable is probably defect.
Please replace the cable and check whether this solves
your problem.
If the problem persists, connect your computer directly
to the gateway using a crossover cable. Make sure your
computer uses the same IP range as your gateway.
Send a Ping from your computer to the gateway and wait
for the corresponding ICMP echo to make sure that the
system can be accessed using ICMP.
From the connected computer, use GATE Manager to
access the system and make sure that this access is
working as well.
If steps 1 to 4 are working, most likely a firewall or NAT /
PAT issue is causing the connection problem. Check your
firewall or NAT / PAT settings and adjust them to let
traffic pass through to your system.
9.1.5

ISDN dial-in number missing or wrong

In systems with a BRI / PRI interface, ISDN access can be im-
paired due to faulty or missing configurations of dial-in num-
bers.
VoIPBox DSL / VoIPBox BRI – version 21.0.009
port LEDs (please
→). If the LED that indicates data traffic is
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see Chapter 3.7 LED