BusinessLINE ISDN is the right choice for you if you want to

• keep all options open,
• enjoy the freedom to choose your own configuration,
• assign a digital main number or direct-dial numbers to your connection,
• benefit from a connection with minimal downtime,
• and take advantage of lots of useful additional services.

What you get with BusinessLINE ISDN

Basic connection

• One connection
• Two ISDN user channels with 64 kbit/s each
• One main number

Primary connection

• One connection
• 30 ISDN user channels with 64 kbit/s each
• One main number
• Primary connection

What your ISDN connection costs

Benefits of BusinessLINE ISDN

• You can assign a digital switchboard number or direct-dial numbers to your BusinessLINE ISDN connection and thus use up to ten number blocks (10, 100 or 1,000).
• You can increase the availability of your BusinessLINE ISDN connection to almost 100%.
• Charging information can be displayed during and after each call.
• Fully itemised billing is available on request.
• You get an entry in the phone book and one copy free.
• Faults can be reported at any time on 0800 055 055 and will be corrected within six hours (except in the case of major disruptions and broken cable lines).
• You can choose from various additional options.
• All connections have either a main number or up to ten direct-dial blocks that can be combined however you like.

BusinessLINE features while you are present

• Automatic callback
• Subaddress (allows addressing in addition to the B user’s number)
• User-to-user signalling
• Fixed multi-homing (allows incoming calls to be spread across the available lines)

Identification options with BusinessLINE

• Reject anonymous calls
• Turn off caller ID (call by call)
• Turn off call recipient ID (call by call)
• Turn on caller ID
• Turn on call recipient ID

Standard options for BusinesLINE ISDN

• Fixed call forwarding
• Permanently turn off caller ID
• Permanently turn off call recipient ID
• Special arrangements for caller/call recipient ID (additional identification)
• Reject reverse-charged calls (i.e. where the person receiving the call has to pay)
• COMBOX® pro
• Top Number (an distinctive number for your company)
• Direct dial
• Reservation and extension of DDI spaces
• Forced caller ID (blue-light organisations)
• Identification of abusive calls (criminal investigators and Swisscom (Switzerland) Ltd)
• Carrier preselection
• Block on outgoing connections (various blocking sets)