SIP Trunking built for Singapore businesses

Singapore

One certified VoIP provider for Cloud PBX, SIP trunks, DID numbers and IP phones — built to IMDA's telecom standards from day one.

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4.8

Trusted by

0+ users

One VoIP provider, every service you need

CalnCall bundles SIP trunking, hosted telephony, and numbers into a single, certified platform.

Cloud PBX

IMDA-aligned Cloud PBX, remotely managed and enterprise-ready — scale seats up or down without new hardware or an on-site engineer.

SIP Trunks

SIP trunks certified with 3CX, Asterisk, Avaya, Cisco, FreePBX and Grandstream, sized for regional HQs that can't afford a dropped call.

DID Numbers

Local numbers in every country your Singapore office does business with — one bill, one dashboard, no international line rental.

IP Phones

IP phones from Cisco, Htek, Poly, Snom and Yealink, pre-configured for our Cloud PBX before they reach your desk.

FAX to Email

Fax as PDF straight to your inbox — keep a Singapore fax number without keeping the machine.

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Numbers
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0K+

Customers

0M+

Processed Mins / Month

0K+

DID numbers

Trusted by over 9,000 global brands

FAQ

Have questions?

The essentials on SIP trunking, and why businesses in Singapore pick CalnCall to run it.

Still need help?

Talk to our support team

SIP (Session Initiation Protocol) is the internet standard that connects a phone call the same way a URL connects a webpage — no physical line required.

Ready to switch to CalnCall?

Tell us about your current setup and call volume — we'll follow up with a quote or a demo, whichever fits.