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Hi, I have at this moment ISDN with three ,and one fax number, my question is, is it possible to continue using all the numbers I have, after ISDN has been discontuined on 31.12.2017. If yes, which subscribtion should I change to? 


Best regards


1 Comment
Super User
2 of 2

not 100% sure, but as far as I know, it's only 2 numbers for a private subscription.


otherwyse you need another subscription: