99.9% Uptime with ConnectViet SIP Trunk Provider

ConnectViet SIP Trunk provider guarantees 99.9% uptime of your SIP trunk service at all times as well as reduced monthly telco costs. So not only are you saving money you’re also getting a better service for it. Fast & reliable SIP Trunk lines along with DID numbers and Cloud PBX solution offer your business the perfect solution for your communications needs. Fully integrated with 3CX you can plug’N’play ConnectViet to your phone system for easy configuration and setup. 

For a SIP Trunk Provider that checks all the boxes: CalnCall
ConnectViet Reliability


Using the best infrastructure and multiple carrier connections ensure reliability. 

ConnectViet Affordable


Our straight-forward pricing models ensure you’ll see a drop in your telco costs. 

ConnectViet Voice quality

Voice quality

High-quality data transmission for efficiently communication. 

ConnectViet Coverage


Global local numbers without paying international call rates.  

ConnectViet Interoperability


Plug’n’Play with your PBX for easy configuration and setup. 

ConnectViet Scalability


Easily scale up or down accordingly when the need arises.  

ConnectViet Flexibility


Adjust services, change phone numbers etc. depending on your needs. 

ConnectViet Security


Use of TTLS and SRTP protects sensitive data and information. 

ConnectViet Expertise


15+ years of experience for advanced deployments & troubleshooting. 

ConnectViet Simplicity


ConnectViet won’t make your existing network more complex it will work with it.