Phone Calls And Voip; Usb Device Connection; Upnp - ZyXEL Communications P-2812HNU-51c User Manual

27.6 Phone Calls and VoIP

The telephone port won't work or the telephone lacks a dial tone.
Check the telephone connections and telephone wire.
1
I can access the Internet, but cannot make VoIP calls.
The PHONE light should come on. Make sure that your telephone is connected to the PHONE port.
1
You can also check the VoIP status in the System Info screen.
2
If the VoIP settings are correct, use speed dial to make peer-to-peer calls. If you can make a call
3
using speed dial, there may be something wrong with the SIP server, contact your VoIP service
provider.

27.7 USB Device Connection

The Device fails to detect my USB device.
Disconnect the USB device.
1
Reboot the Device.
2
If you are connecting a USB hard drive that comes with an external power supply, make sure it is
3
connected to an appropriate power source that is on.
Re-connect your USB device to the Device.
4

27.8 UPnP

When using UPnP and the Device reboots, my computer cannot detect UPnP and refresh My
Network Places > Local Network.
Disconnect the Ethernet cable from the Device's LAN port or from your computer.
1
P-2812HNU(L)-Fx Series User's Guide
Chapter 27 Troubleshooting
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