SIP Trunking built for Vietnamese businesses

Vietnam

Cloud PBX, SIP trunks and DID numbers with a 99.9% uptime guarantee — sized for factory floors and BPO seats that can't afford a dropped line.

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4.8

Trusted by

0+ users

One VoIP provider, every service you need

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

Cloud PBX

Cloud PBX backed by a 99.9% uptime guarantee, built for Vietnam's manufacturing and BPO sectors where a phone outage stops production, not just calls.

SIP Trunks

SIP trunks certified with 3CX, Asterisk, Avaya, Cisco, FreePBX and Grandstream, with 3CX-ready integration for operations scaling seats fast.

DID Numbers

A local number in every market your Vietnam operation sells into — one Cloud PBX, one bill, no overseas line rental.

IP Phones

IP phones from Cisco, Htek, Poly, Snom and Yealink, sized for factory-floor offices and BPO seat counts alike.

FAX to Email

Faxed purchase orders and compliance paperwork land as PDFs in your inbox — no machine, same Vietnamese fax number.

Let the
Numbers
Speak

0K+

Customers

0M+

Processed Mins / Month

0K+

DID numbers

Certified & compatible with

FAQ

Have questions?

The essentials on SIP trunking, and why businesses in Vietnam pick ConnectViet to run it.

Still need help?

Talk to our support team

SIP (Session Initiation Protocol) is the standard a Cloud PBX uses to place and receive calls — it replaces a physical phone line with a data connection you already have.

Ready to switch to ConnectViet?

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