Business Phone Systems in Adelaide — Simtex
Enterprise SIP trunks and Cloud PBX on West Coast Australian infrastructure, serving Adelaide and South Australia.
Serving Adelaide
Simtex provides enterprise-grade VoIP services to businesses across Adelaide and SA — delivered over our geo-redundant Australian infrastructure.
Simtex in Adelaide
South Australian businesses connect to Simtex's West Coast infrastructure cluster via siptcp.simtex.com.au — the same geo-redundant platform that serves our Perth headquarters, engineered for high availability and low latency across WA, SA, and the NT.
Adelaide enterprises and regional SA businesses benefit from carrier-grade SIP infrastructure built and run from Australia, with no offshore routing dependencies for core call paths. Cloud PBX, SIP trunking, 1300/1800 numbers, and Microsoft Teams Direct Routing — all on the one platform.
No lock-in contracts, transparent pricing from $4.99/month, and the flexibility to scale as your business grows.
Areas we serve
All of South Australia — Adelaide metro and regional SA, on West Coast infrastructure shared with WA and NT
Adelaide
Virtual Office, Adelaide 5000
VoIP Services Available in Adelaide
All Simtex services are available to Adelaide businesses — delivered over our Australian-hosted, carrier-grade infrastructure.
Cloud PBX
Small business to enterprise-grade hosted phone system with unlimited scalability
SIP Trunks
Reliable SIP trunking for your existing PBX system
Teams Direct Route
Enable PSTN calling in Microsoft Teams with Direct Routing
Fax to Email
Receive and send faxes without a fax machine
1300 & 1800 Numbers
National presence with 1300 and 1800 inbound numbers
Number Porting
Keep your existing phone numbers when you switch to Simtex. We handle the entire porting process.
What Our Customers Say
“Switching to Simtex Cloud PBX was the best decision we made for our communications. The reliability is outstanding and the support team is always there when we need them.”
“We have been using Simtex SIP trunks for over 3 years now. The call quality is crystal clear and the pricing is very competitive. Highly recommend for any business with an existing PBX.”
“Finally, a fax solution that does not require ancient hardware! The fax to email service works flawlessly and our legal team loves the PDF integration.”
Ready to upgrade your Adelaide business communications?
Speak with our team today — local expertise, Australian-hosted infrastructure, transparent pricing.