Cloud Calling vs.
On-Premise Systems
Still writing checks for hardware upkeep and pricey PBX upgrades? Here is why 82% of modern enterprises now run browser-based cloud calling, paying cheap per minute rates, cutting TCO, and freeing their teams to work from anywhere.
On-Premise PBX
- Heavy upfront hardware spend (CapEx)
- Needs floor space and cooling
- Costly maintenance contracts
- Hard to scale lines up or down
- Locked to a single physical site
Cloud Calling (VoIP)
- No upfront hardware spend (OpEx)
- Nothing physical to maintain
- Free updates roll out automatically
- Add or drop lines instantly from the dashboard
- Call from anywhere via browser or mobile
Total Cost of Ownership (TCO) Analysis
Across a 5-year window, pay as you go cloud platforms like Intercalling cut the average bill by 60% next to traditional on-site systems.
| Cost Category | On-Premise PBX | Cloud Calling |
|---|---|---|
| Initial Hardware | $5,000 - $20,000+ | $0 |
| Setup & Installation | Technician fees ($150/hr) | Free (Self-service) |
| Maintenance | Annual contracts (15-20%) | Included |
| Call Rates | High carrier rates | Wholesale VoIP rates |
| Scalability | Buy new hardware modules | Instant (Click to add) |
| 5-Year Estimate | $$$$ Very High | $ Low |
Always Current
On-site gear dates fast. Cloud systems pull in new features, AI integration included, on their own, with nothing for you to install.
Stays Up in an Outage
Lose power or internet at the office and on-premise phones go dark. With Cloud you hop straight to mobile or home Wi-Fi and keep talking.
Built for Remote Teams
Staff answer the office number from home, a cafe, or another country, all through the browser.
Done paying for hardware?
Moving to the cloud with Intercalling takes under 5 minutes. No technicians, no downtime, transparent pay as you go pricing, and you keep your existing numbers.

Call from any browser
No app and no SIM. Place the call from your computer or phone in seconds.

Low rates to 190+ destinations
Clear per minute pricing, shown before you dial. Pay as you go, no monthly fee.

One balance, every device
Start on your laptop, continue on your phone, all at the same low rate.