Telecom VoIP/UCaaS Software Engineering Services

Partner with Intellias, a VoIP software development company, to enhance your tech environment and improve your communication experience. We’ll help you seamlessly transform your business by deploying carrier-grade VoIP services with our custom-built SoftSwitch and unified telecom VoIP solutions.

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Trusted by leading companies worldwide

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Equip your company with new technologies and business models to accelerate your transition to tomorrow’s digital world. Our approach builds a competitive advantage and helps clients develop and grow their businesses.

VoIP business solutions you can build with our services

We help leading Voice over Internet Protocol (VoIP) providers modernize their unified communication solutions to manage phone services from any location with a computer or mobile device and provide the highest level of comprehensive business communications.

Enterprise telephony

Increase the operational efficiency of your enterprise with services covering user and device provisioning, voice quality monitoring and alerting, operations and fault monitoring, and network and application probing.

Audio/video/web conferencing

Conduct effective, uninterrupted meetings with multi-user conferencing solutions that combine VoIP, video streaming, and bandwidth management capabilities.

Unified communication development

Launch carrier-class Voice over IP connectivity and messaging services with tailor-made Class 4 (transit) and Class 5 (endpoint/retail) SoftSwitch solutions, white label UC solutions, customization, and integration services.

Instant messaging & presence

Use SMS messaging for customer support, recruiting, sales, and more. Scale your internal business processes and simplify internal communications.


Improve the caller experience for your customers by programming a call processing agent, dial plan, call admission control, video telephony, PSTN and IP gateway, PSTN services, and remote site survivability.

Communications-enabled business processes

Manage high call volumes and accelerate your move to a distributed network of remote agents with cloud-based VoIP systems.

Make our expertise work for you

Success stories

Developing a UCaaS platform for all-in-cloud communications

A US-based cloud voice company that empowers telco providers to deliver carrier-class VoIP services with a web-scale SaaS solution decided to migrate its two legacy monolithic systems to the cloud and split them into microservices. Intellias helped our client embark on the migration journey and build a cloud-native, fully integrated network management system that enabled them to scale their business processes and offer more competitive pricing to end customers.

Next-gen cloud communications platform for advanced voice services

A leading German provider of business VoIP software solutions, IP telephony, and cloud communications envisaged creating a next-generation network to bring innovative voice services to domestic and international customers. The Intellias team took over building a prototype of an interactive voice response (IVR) application and delivered a powerful cloud communications platform for business VoIP and IP telephony.

Automated telecom billing software and provisioning system for IP telephony

A leading Swiss provider of wholesale IP telephony services decided to expand their portal with advanced telecom billing software to automate complex invoicing operations. Intellias engineers have guided the portal development through three generations and extended the portal’s functionality with multiple handy features that have made our client’s services in demand and enabled them to scale.

Integrating voice biometrics into an existing enterprise environment

One of the biggest independent financial groups in Eastern Europe partnered with Intellias to implement a voice biometrics solution for a financial institution, keeping most of the existing business processes and customizations previously made for the bank to reduce capital expenditures. With the best VoIP development services, Intellias team has completely changed business processes for voice biometrics and built a leading voice biometrics solution.

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