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P2000W V2 Troubleshooting Guide
5.
I can register but can not establish a call?
If you can register to server but can not make a call very likely there is NAT router before
r tips to troubleshoot. it, please see NAT related question above fo
6.
I can make a call but the voice only goes one way not bothway?
If you can register to server but can make a call signal establishment but the voice only
NAT related question
above to tips to troubleshoot.
goes one way very likely there are NAT router before it, please see
7.
I can receive a call but the voice only goes one way not bothway?
If you can register to server but can only make out going call but can not receive incoming
e only goes one way
very likely there is NAT router before it, please see NAT related question above for tips to
calls or the incoming call signal establishment can be made but voic
troubleshoot.
8.
If all the about have been tried, but register still fail or call still have problem to be
made behind the NAT what should I do?
the
to ZyXEL tech center. To report a problem please
prepared below info.
2. SIP Call server type and vendor.
3. Your device firmware version and romfile with password.
4. Detail information what you have tried to resolve the problem.
In such case, please contact your local vendor for support. If they can't help out
problem they will escalate your problem
1. Serial number of the device.
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