Prestige 2304 Support Notes
I can make a call but the voice only goes one way not bothway?
If you can register to server and I can make a call signal establishment but the voice only goes one way. In this case it is very likely there are NAT router or firewall before it, please see NAT/firewall related question above.
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 calls or the incoming call signal establishment can be made but voice only goes one way very likely there is NAT/firewall router before it, please see NAT/firewall related question above for tips to troubleshoot.
If all the about have been tried, but register still fail what should I do?
In such case, please contact your local vendor for support. If they can't help out the problem they will escalate your problem to ZyXEL tech center. To report a problem please prepared below info.
1.Serial number of the device.
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.
I suspect there is a hardware problem with my Prestige what should I do?
Please follow the troubleshooting section in the user’s guide for brief hardware troubleshooting and diagnostic tips. If you are sure there is a hardware problem after following the hardware diagnostic tips in the user’s guide. Please contact your ZyXEL local vendor to send the device in for RMA service.
Trouble Shooting
Unable to Get WAN IP from ISP
My Prestige can not get an IP address from the ISP to connect to the Internet, what can I do?
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