[Asterisk-Users] How to make/recieve call using asterisk when there is a power failure?

[TinKoon]

Hi,

 

I am supportive of the asterisk, but I have some concern, though the concern
also applies to traditional pbx as well. Hope someone can shine some light
into it. Thanks.

 

During a power failure situation, analog pstn lines that connect directly to
the analog phones will most likely still be able to make and receive calls. 

 

However, for the Asterisk implementation, unless you have a huge ups, you
will not be able to make and receive any call during power failure, since
there will be no power to the Asterisk server. And since all the incoming
lines, be it analog lines or T1/E1 are connected to the Asterisk, these
lines wont be able to function at all.  

 

In some situations, even though you may have a ups for the Asterisk, network
equipment, channel banks, etc, but your ATA, IP phones which located near to
your users and probably not connected to the UPS, so these devices wont be
able to function. 

 

And even if you have a ups, after an hour or two, your uos will drain out,
so how? 

 

Though we can have few analog pstn lines as standby, but these lines are
mostly use for making outgoing calls rather than receiving incoming calls.
For a prolong power failure situation, these lines cant really help much, so
businesses will be seriously affected. It is possible to contact the telco
to re-direct the incoming calls to the standby analog lines, however, it
will generally take couple of hours for the telco to make the switch and
very likely there will be a fee involve. 

 

I read from this forum that many asterisk implementations had been carried
out, I wonder how these implementation take care of the power failure
situation? Can someone share the views and implementations?

 

 

 

 

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