Secure SIP Trunk Provider for Telecom
Augmented communications efficiency with agile, loyal, and global cloud voice and messaging services! Reach your customers wherever they are. With Transport Layer Security (TLS) ensuring secure communication, our service tools enable seamless management of phone calls, including SIP calls, using the Session Initiation Protocol (SIP). This system allows for optimized SIP session management and secure handling of SIP traffic, ensuring high-quality voice interactions. SIP messages are transmitted efficiently to maintain smooth and clear Voice over IP (VoIP) communication, providing businesses with a robust and secure solution for global connectivity.

Our Products

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

SMS
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
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.

Fax
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.


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
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
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:
- Instant SIP Trunk Activation
- No Setup Fees, No Minimum Contracts
- Amazing Call Quality and 99.999% Uptime
- Outbound Dialing with Global Termination
- Add, Remove, and Customize SIP Trunks Online
- Advanced Call Routing to Any Device Worldwide
- SIP Trunk DID Numbers Available in 140+ Countries
- Complete the Short Form for Complete Pricing Plans