ISDN conversion information
If you currently have a BT ISDN2/Highway service installed and want to join the world of broadband, it is necessary to complete an ISDN conversion.
Before an ISDN line can have broadband installed on it, it first must be converted back to an analogue telephone line. Let Madasafish manage the conversion for you. BT will charge for this conversion, this will appear on your BT phone bill. Should the conversion to broadband fail for technical reasons, the line will be converted back to the original ISDN service and all associated charges will be refunded.
If you would like for us to manage the conversion for you, please tick the box that states this is an ISDN enabled line during sign up and we will take responsibility for arranging your line to be converted back to analogue. We will book the first available date and time for a BT engineer to visit your premises and manage the conversion process for you.
Please note that most ISDN services provide you with two telephone numbers. You will lose one of these numbers when converting to broadband. Please therefore make sure that you have entered the number you want to keep.
If you wish to retain more than one of your telephone numbers, then you will need to arrange for the ISDN conversion to be done with BT directly. The cost of this will depend on your agreement with BT. However, if the conversion is unsuccessful, you will also be responsible for the cost of re-instating the original BT ISDN2/Highway service. If you take this option it will take longer to convert your line to broadband, as the removal of ISDN needs to be completed before we can start provisioning your broadband.
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