[Asterisk-Users] Legal Requirement for Digital PBX

[Steve Underwood]

Roland Welker wrote:

>Hello,
>
>Does anyone now, if there are any legal requirements for setups of
>Digital (i.e. Linux/Asterisk) based PBXs in the UK? I am especially
>interested, if a system does need to hang on a UPS?
>  
>
Unless things have changed, you need either:

    - 7 hours of UPS support or
    - an analogue line with any cheap old phone plugged in.

The analogue line could be used by the PBX when things are functioning 
normally, if a relay switches it to the phone on power failure.

Regards,
Steve