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From September 30, 2019 all ISDN services will be rolled back resulting in a huge unrest in the industry. While some are looking at this change as revolutionary, there are organizations finding it hard to deal with the situation.
ISDN systems are the lifeline of Australian market. Over 2 million business operate on them.
So complete shutdown is an indication of a disaster if businesses do not act now. Businesses will have to look for some strict solutions to stay in the game.
VoIP and SIP technologies are the future of the industry. They will offer plenty of benefits to businesses currently running on ISDN at a fraction of price. Let us find out how:


VoIP stands for Voice over Internet Protocol. In simple words, VoIP is a phone service over the internet. A good internet connection can help you make a phone call without compromising on quality. Skype and Facebook calling features are two good examples of VoIP.

Benefits of VoIP

  • VoIP is cheaper than ISDN. It saves up to 50% on line rentals and 25% on calls.
  • You can control VoIP the way you want. Add one or more lines or take them all away. Split calls anytime—you got the control. On the other hand, ISDN is quite inflexible.
  • You can makes changes instantly with VoIP.
  • VoIP lets you deliver calls according to your preferences.
  • You have easy voice/data convergence facility with VoIP.
  • VoIP handles emergencies with ease.
  • Business continuity.
  • Easy reroute to backup sites.
  • VoIP has more features than ISDN. You can share files of almost all types, do video conferencing with offshore clients anytime, and many more other things.



SIP stands for Session Initiation Protocol. It is the second best solution for businesses to switch to after September 30, 2019. This technology allows people to make telephone calls over Public Switched Telephone Network (PSTN). It requires an internet connection or a VoIP vendor, IP-enabled PABX, or a gateway for IP based voice communication.

Benefits of SIP

  • It is cost-effective. Traditional phone services often have too high charges for international calls. They charge you more for other services as well.
  • SIP starts giving you immediate ROI from the first month since it does not require high investment.
  • SIP helps your business grow in multiple geographical locations.
  • Traditional phone services require your business to wait for a long time to install phone lines in case of change of location. With SIP, you don’t need to have physical infrastructure. So it is easy to setup and install in any situation.
  • No need to invest on any expensive hardware.
  • Several factors such as climate change can affect the services of a traditional line. However, SIP is always reliable.

VoIP and SIP are two rays of hope for companies thinking for a solution amidst dark clouds of the ISDN shutdown. If you want to change the bane to boon and get away with high calling costs, unreliable phone lines—then you will benefit significantly by switching to VoIP and SIP.