https://business.forums.bt.com/t5/Archive/Re-ISDN2e-No-Connection/m-p/72681#M1304 <P>You must ensure the ISDN2 is configured PMP, not PP.&nbsp; See the datasheet for the DX800A in the Gigaset <A target="_self" href="http://www.wiki.gigasetpro.co.uk">WiKi </A>which explaines this.&nbsp; Check with your BT Reseller on how the ISDN2 circuit is configured.</P> Sat, 31 May 2014 09:20:35 GMT GigasetPRO 2014-05-31T09:20:35Z https://business.forums.bt.com/t5/Archive/Re-ISDN2e-No-Connection/m-p/72681#M1304 <P>You must ensure the ISDN2 is configured PMP, not PP.&nbsp; See the datasheet for the DX800A in the Gigaset <A target="_self" href="http://www.wiki.gigasetpro.co.uk">WiKi </A>which explaines this.&nbsp; Check with your BT Reseller on how the ISDN2 circuit is configured.</P> Sat, 31 May 2014 09:20:35 GMT https://business.forums.bt.com/t5/Archive/Re-ISDN2e-No-Connection/m-p/72681#M1304 GigasetPRO 2014-05-31T09:20:35Z