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Philips Support
How to connect my Philips DECT phone to an ISDN line?
This telephone is designed to be used with an analog telephone line. In order to use the phone on an ISDN line, you need to use an ISDN/Analog adapter. If you have questions regarding which adapter should be used, please contact your ISDN provider.
The information on this page applies to the following models: D2302B/90.
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