Quick Guide to Business ADSL2+

Business ADSL2+ Being Replaced by NBN

Connect to Faster Broadband with Business NBN

Business NBN is now available in many areas across Australia and is replacing ADSL2 and SHDSL, which relied on the old copper network. The roll-out of the infrastructure means faster and more reliable broadband being available to businesses. This includes Business NBN and Enterprise NBN.
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To find out what service is available at your business premises please call 1300 000 300 or CLICK HERE to make an enquiry.

Quick Guide to Business ADSL

Not All ADSL Connections Were Equal

Business ADSL was a high qualitylow congestion ADSL service that came with Business Grade SLA covering installation lead times, service restoration and availability; a Static IP Address for business networks and cloud services; as well as an Australian Based Business Support Team and Account Management.

Business Grade SLA

Australian Based Business Support and Priority Customer Service.

Static IP Address

Business ADSL Services Come with a Static IP Address for Business Networks and Cloud Based Applications.

Low Congestion

Business Grade Performance with Low Congestion and More Constant Speeds.


More Information About Business ADSL

Key Different Between Business ADSL and Consumer Grade

Lower Congestion and Contention Ratio

One of the main reasons for consumer grade ADSL being cheaper was that residential services were shared between more users than business connections (contention ratio). That affected the overall quality, especially the speed which was prone to greater fluctuations. As a general rule, consumer ADSL services were shared by around 3x more users than business ADSL.

Static IP Address for Business IT Networks

Static IP addresses are a necessary part of a business IT network. As opposed to a dynamic IP address, a static address doesn't change each time you accessed the ADSL service. It's dedicated to your business and can be programmed into any of the business applications you use. Consumer-grade ADSL connections did not come with static IP addresses.

Technical Support and Service Level Agreements

Business ADSL services were backed by a 24/7 technical support team which specialises in business connections. It's based in Australia and the operators are trained to understand business requirements. The services were also backed by written SLA (service level agreements) covering installation lead times, service restoration, and availability.

Typical Business Use of ADSL

Small Businesses and SOHOs

Used by small businesses with general internet needs and ones that didn't require high upload speeds. One of the main draw backs of ADSL was the low upload speed which effected the way businesses were able to use cloud based applications. Fast upload speeds are necessary for efficient and productive use of business apps like Office 365, One Drive, Drop Box, and a host of others.

Dedicated Broadband Service for IP Telephony

ADSL2+ was also used as a dedicated broadband service for Business VoIP and Hosted PBX systems with up to 6 call lines. 80 to 100kpbs in both upload and download speeds were allocated to each call line.

Emergency Back-Up Service

Emergency back up service to business fibre and fixed wireless broadband. The service was used as a contingency measure in case the main service went down.

Dedicated Broadband Service for Cloud Based Applications

Often used as a dedicated broadband service for specific business applications such as point of sale and accounting software.


Frequently Asked Questions - ADSL

Quick Guide - ADSL

ADSL has been by far the most widely used business broadband service for small businesses.

What is ADSL?

ADSL (asymmetric digital subscriber line) is a form of broadband connection that uses the existing copper telephone lines to deliver an internet service.
The term asymmetric refers to the upload and download speeds, which are different. Download speeds are faster than upload speeds. Business grade services are of higher quality because of lower congestion and higher average speeds.

Different Between ADSL, ADSL2 and ADSL2+

The difference between the three types of ADSL services were the maximum speeds able to be achieved.
ADSL achieved a maximum download speed of 8Mbps, ADSL2 a maximum of 12Mbps, and ADSL2+ a maximum of 20Mbps.

What Determined the Actual Speed if the ADSL Connection?

ADSL2+ up to speeds were the maximum speeds able to be achieved by the technology. Actual speeds were lower than that and depended on a number of key factors.

  • Distance of the premises from the local exchange. The greater the distance, the lower the speed.
  • The quality of the copper lines, both between the premises and the local exchange, and within the actual premises.
  • The quality of the equipment including the modem/router.
What is a Static IP Address and Why Do I Need One?

An IP address is a unique identifier of the location of the computer hardware that is accessing a network or the internet. A static IP address is a dedicated IP address that is assigned to a broadband connection. As a general rule, only business grade services are allocated a dedicated IP address. Static IP Addresses are necessary when running a business IT network and for a variety of cloud based services.

Was ADSL Suitable for IP Telephony?

Business VoIP and Hosted PBX were used with business ADSL as long as the allowance was made for the number of concurrent phone calls. Business-grade IP telephony requires an allocation of 100kpbs of bandwidth in both directions i.e. upload and download. With download speed generally not being an issue, an average ADSL service delivered around 600kpbs in upload bandwidth. This meant that without using the service for anything else, it was only capable of supporting up to 6 concurrent phone calls.

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