01/09/2026
Choosing between SIP and PSTN for your business phones isn’t just a technical detail—it affects call quality, cost control, and how well your communications keep running when things change. In this guide for Australian business owners, we break down how SIP works, what legacy PSTN is still good for, and the practical considerations for migration in the local market. If you care about reliability and business continuity, the differences matter more than most teams expect. Read this before you lock in a phone system strategy that could impact your operations later.
https://www.infinetbroadband.com.au/sip-vs-pstn-australian-business-phones/