Skip to content

Multiple lines and Direct Dial In (DDI)

Multiple lines and Direct Dial In (DDI)

If you've got a PBX or more than two people in the office who want to take or make calls at the same time over the same fixed line, you may need an ISDN Line.
If you need 5 DDI's you might need ISDN

The benefits

Convenience

  • ISDN provides multiple lines to ensure your business is always available
  • Connects directly to your telephone system
  • Have incoming calls go straight to the person they need to with Direct Dial In (DDI) – free up receptionist time to work on more productive tasks

Cut your calling costs

  • Save 60% on calls to Vodafone mobiles with Business Tolls Plus*

We'll prove it. Grab your phone bill and call 0800 77 77 55 and we'll work how much we can save you.

Save up to 60% on your phone calling costs

Cost certainty

  • ISDN lines have a fixed monthly access fee
  • Calls to national and Australian landlines are capped at 50c for 30 minutes.
  • Calls to Vodafone mobiles capped at $1 for 30 minutes.

Flexibility

  • Basic Rate ISDN – for smaller businesses (2 lines)
  • Primary Rate ISDN - for large businesses (up to 30 lines)
  • You choose the useful features your business requires like Voicemail, Call Waiting, Caller ID and Call Transfer
  • We'll set up your ISDN Line with everything you need.
  • Your fax can connect to your PBX and have its own DDI.

Easy to switch

  • Keep your current number.
  • No installation cost^.
  • We'll take care of everything

* Based on a comparison between Business Tolls and Business Tolls Plus.

^ Excluding any termination fee that may be charged by your existing fixed line provider. Customers without an existing fixed line connection will be charged an installation fee of $49 per fixed line when they start up with Vodafone. Additional charges may apply for cabling work. All prices exclude G.S.T.

Free to switch

Right for you?

  • Suitable for businesses who want calls to go directly to their staff.
  • Used with a PBX system (splits incoming calls to extensions).
  • Allows multiple direct dial numbers.
ISDN is it right for your business?

The costs

  • These vary depending on the size and nature of your business.
  • Call us on 0800 77 77 55 to find out more.
Call Vodafone to find out if ISDN is right for you, or if you need more info
It's simple, if you need 2 landlines or more for your business, we can help, call us.

Take the 2 min challenge -

Call with your phone bill and we'll work out the savings in just 2 minutes, or leave your details and we'll be in touch.

Did you know?

did you know?

Calling groups

Want to get cheaper calls between your business landlines and mobiles?

Working from home

If you work in residential zone you'll need one of our residential packages.