HomeTelecomsISDN2 and ISDN30

ISDN,
Make and receive calls simultaneously

IFB’s ISDN packages offer a range of telephony options, depending on your business requirements. ISDN can be used as your principle telephony service or as a backup to VoIP.

Our ISDN2 and ISDN30 packages allow you to make and receive simultaneous calls over a digital line by connecting into a compatible telephone system and providing multiple lines. ISDN can be used as your principle telephony service or as a backup to VoIP.

ISDN2 connects your telephone system to provide multiple lines and is ideal for small businesses. ISDN30 has the same principles as ISDN2 but a higher capacity, allowing for 8-30 simultaneous calls at any given time - incoming and outgoing. Ideal for medium or large organisations, features include Direct Dial In and Caller Line Identification.

Which telecoms package is the right solution for your business?


  • Unlimited DDI’s (Direct Dial In)
  • Caller Display
  • Call Forwarding
  • Call Barring

Call Sales on 0845 270 2101
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