Lifeline Configuration - ZyXEL Communications P-2602HWNLI Support Notes

P-2602HWNLI Support Notes
Furthermore, when the P2602WNLI–67A experience power loss such as in case of earthquake and other
natural hazard that cause power loss, it will automatically switch to ISDN 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
P2602WNLI–67A WEB GUI.

Lifeline configuration

To configure lifeline in P2602WNLI, click on VoIP -> ISDN Line to display the following screen.
You can specify a prefix number in prefix field. This number will be used to switch from VoIP to ISDN
system when you wish to make a call to ISDN destination. For example, when you want to dial out to a ISDN
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 hear dial tone from ISDN again. At this state you can dial out to ISDN as you would on a
regular ISDN system.
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