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Secure SIP Trunk Provider for Telecom

Efficient communications with agile, reliable, and global cloud voice and messaging services that reach your customers, wherever they are.
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Unlock the Full Potential of Telecom

Our Products



Telerain delivers outbound call audio over the shortest path possible to increase call quality and lower call costs locally and internationally.



Integrate Telerain’s carrier-grade SMS capabilities for real-time communications and an enhanced customer experience for both Toll-Free and Toll Numbers across the Globe.

Phone Numbers

Phone Numbers

Our clients can enjoy international coverage of local, national, and virtual toll-free numbers. We cover 70+ countries across the globe delivering services through VoIP SIP Trunks or PSTN forwarding.



No more guesswork about whether or not your fax is going to reach its final destination or end up in the ether. We understand the T.38 protocol and how it should be implemented to securely and reliably transmit documents from anywhere.

Our perfect network design is the backbone of the quality service we provide.

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100% core network uptime

100% Core Network Uptime

We have built and assembled an infrastructure designed to handle origination and Termination services in a highly-reliable, efficient, cost-effective, and flexible manner. We utilize the AWS Cloud around the globe, with direct access to premium network resources.

Redundant network

Redundant Network

Our systems are designed in such ways that they ensure full network availability in case of any failure. Our infrastructure is integrated with DDOS protection. Our Network Operation Center together with the technical support center operates 24×7 to provide managed services to our customers.

Quality and reliability

Quality And Reliability

Our state-of-the-art infrastructure allows us to deliver premium quality and high-reliability services and includes SLAs in many countries. Our phone numbers are sourced exclusively from local partners, and these numbers are directly allocated by the regulator in each country.

SIP Trunking Solutions


Find out why Telerain is the top SIP trunk provider for business. Benefits of VoIP SIP trunk service include:

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