Phone Calls And Voip - ZyXEL Communications P-2812HNU-51c User Manual

Chapter 26 Troubleshooting
I cannot access the Internet anymore. I had access to the Internet (with the P-
2812HNU-51c), but my Internet connection is not available anymore.
Check the hardware connections, and make sure the LEDs are behaving as
1
expected. See the Quick Start Guide and
Turn the P-2812HNU-51c off and on.
2
If the problem continues, contact your ISP.
3
The Internet connection is slow or intermittent.
There might be a lot of traffic on the network. Look at the LEDs, and check
1
1.5 on page
try closing some programs that use the Internet, especially peer-to-peer
applications.
Check the signal strength. If the signal strength is low, try moving your computer
2
closer to the P-2812HNU-51c if possible, and look around to see if there are any
devices that might be interfering with the wireless network (for example,
microwaves, other wireless networks, and so on).
Turn the P-2812HNU-51c off and on.
3
If the problem continues, contact the network administrator or vendor, or try one
4
of the advanced suggestions.
Advanced Suggestions
• Check the settings for QoS. If it is disabled, you might consider activating it. If it
is enabled, you might consider raising or lowering the priority for some
applications.

26.4 Phone Calls and VoIP

The telephone port won't work or the telephone lacks a dial tone.
312
25. If the P-2812HNU-51c is sending or receiving a lot of information,
Section 1.5 on page 25.
P-2812HNU-51c User's Guide
Section