Cosarn Technologies delivers custom software development, websites, and enterprise solutions for organizations across Uganda and East Africa. We build systems that work for you.

Business

How We Automate Customer Calls Using VoIP

Voice over Internet Protocol (VoIP) has fundamentally changed how businesses communicate. Instead of paying expensive per-minute rates to a telecoms provider for every call, VoIP transmits voice over the internet — dramatically reducing costs while unlocking powerful features that traditional phone systems simply cannot offer. At Cosarn Technologies, we build VoIP-powered communication systems for organisations […]

Government

Building an E-Procurement System: Key Lessons & Architecture

Public procurement in Uganda accounts for over 60% of the national budget — yet many government agencies, local governments, and large organisations still manage the entire process manually, using paper forms, spreadsheets, and physical notice boards. This creates inefficiency, delays, lack of transparency, and significant opportunities for corruption. At Cosarn Technologies, we have designed and […]

Business

How Telecom APIs Work in Uganda: MTN MoMo, Airtel Money, SMS, USSD & Voice Integration Guide

Uganda’s telecom ecosystem is one of the most dynamic in East Africa. With MTN Uganda and Airtel Uganda together serving over 28 million mobile subscribers, and mobile money transactions now exceeding Uganda’s formal banking system in volume, the ability to integrate directly with these telecom networks is one of the most valuable technical capabilities a […]