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Prestige 2802HW(L)-Ix Support Notes
All contents copyright (c) 2007 ZyXEL Communications Corporation.
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Furthermore, when the P2802HWL – D1A experience power loss such as in case of earthquake and other
natural hazard that cause power loss, it will automatically switch to PSTN line and you can dial a regular phone
number without dialing a prefix number.
This can be applied on the emergency situation such as for contacting police, fire or emergency medical
services when is powerless situation. On the following section, it tells you how to configure lifeline under
P2802HWL – D1A WEB GUI.
Lifeline configuration
To configure lifeline in P2802HWL, click on VoIP > PSTN Line > General to display the following screen.
You can specify a prefix number in prefix field. This number will be used to switch from VoIP to PSTN
system when you wish to make a call to PSTN destination. For example, when you want to dial out to a PSTN
destination, you first pick up the phone, and you will heard a dial tone, than you push in the prefix number as
defined in prefix field in this case it will be 0000, than the device will switch over to PSTN line. At this
moment you will heard dial tone from PSTN again. At this state you can dial out to PSTN as you would on a
regular PSTN system.