Session Border Controller + Router with 2/4 BRI Ports + Up to 16 G.722 or up to 16 T.38 or G.711 calls simultaneously | G.SHDSL EFM/ATM and VDSL-ADSL | SmartNode 5530 from Patton
Linksys X2000 WLAN router DSL including 3 port switch (Annex A; Wireless-N; only suitable for Austria and Switzerland) : Amazon.co.uk: Computers & Accessories
Was ist ISDN? Warum zu VoIP wechseln? - VoIP-One Schweiz