Connect your phone system with PROSUM’S SIP Lines for great savings and advanced features.
Quick & easy setup
Compatible with most PBX's
With PROSUM’s SIP Lines, you’ll experience great savings and advanced features when you connect your VoIP phone system. SIP Lines* replace traditional PSTN/ISDN line rental fees and call charges, providing you with free inter-office calls and very low call rates via your internet connection.
How SIP lines can benefit your business
You’ll get instant savings on call costs and line rental when you switch, plus free inter-office calls, per second billing and very low local, national and international calls.
Want to keep your existing business phone numbers? You can transfer your phone numbers** easily to PROSUM and we integrate with all major ISDN and IP PBXs***.
You can increase or decrease the number of lines quickly, and in much less time than traditional ISDN services, and even expand to other office locations without having to buy a new PBX.
Maintain business continuity
If your site is down due to unplanned disruption, you can keep your calls flowing by redirecting them to your chosen recovery site or to a mobile number of your choice.
If your considering Unified Communications features into your business, SIP lines are a simple and cost-effective way to prepare your network for these technologies, making them easier to deploy.
We support you
By choosing PROSUM SIP lines, you receive national network coverage backed by experienced 24/7 support teams across Australia.
What our clients say about us
Professionalism at its highest standard. Over the many years of association our firm has utilised and highly recommend a variety of PROSUM'S services including electrical, data and telephone. More recently our firm relied on their advice and direction when installing and upgrading our telephone system. We continue to use these services with great leadership by David Colletta and a great team.
LEANNE WILLIS | STACEY BACHELOR, ICT DEPARTMENT - RYAN CARLISLE THOMAS LAWYERS