What are my options as an ISDN customer?

  • If you want to continue to benefit from the advantages of ISDN, you can still use two or three telephone numbers in parallel with the new IP technology. The corresponding Swisscom offering is the MultiLINE option, available as an add-on to any IP telephony offer from CHF 15.-/mth.
  • Existing ISDN devices need to be replaced by IP-compatible HD-Phones or analogue phones.
  • The ISDN cabling in your home will also need to be modified. The work will be carried out by a Swisscom technician free of charge (home installation).

More details