The Fxo Screen ("L" Models Only); Technical Reference - ZyXEL Communications P-2812HNU-51c User Manual

16.9 The FXO Screen ("L" Models Only)

With PSTN line you can make and receive regular PSTN phone calls. Use a prefix number to make a
regular call. When the device does not have power, you can make regular calls without dialing a
prefix number.
When the Device does not have power, only the phone connected to the
PHONE port1 can be used for making calls. Ensure you know which
phone this is, so that in case of emergency you can make outgoing calls.
Use the FXO screen to set up the PSTN line you use to make regular phone calls which do not use
the Internet. To access this screen, click VoIP > FXO.
Figure 108 VoIP > FXO
Each field is described in the following table.
Table 68 VoIP > FXO
LABEL
Pre-Fix For FXO Outgoing Call
Pre-Fix Number
Voice Features
Active G.168
(Echo
Cancellation)
Active VAD
(Voice Active
Detector)
Apply
Cancel

16.10 Technical Reference

This section contains background material relevant to the VoIP screens.
P-2812HNU(L)-Fx Series User's Guide
DESCRIPTION
Enter 1 - 7 numbers you dial before you dial the phone number, if you want to
make a regular phone call while one of your SIP accounts is registered. These
numbers tell the Device that you want to make a regular phone call.
Select this if you want to eliminate the echo caused by the sound of your voice
reverberating in the telephone receiver while you talk.
Select this if the Device should stop transmitting when you are not speaking.
This reduces the bandwidth the Device uses.
Click Apply to save your changes.
Click Cancel to restore your previously saved settings.
Chapter 16 VoIP
233