Latest work
Real projects, practical results
A selection of telecom, CRM/ERP, SaaS, client portal, website and integration projects delivered by in4system.
Case studies
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CRM & ERP Systems
SaaS Platforms
VoIP, SMS & Telecom
SaaS Platforms
CRM & ERP Systems
Full-Stack eSIM Platform with Next.js & Golang
Telecom and travel
A scalable frontend and Go REST API backend for global eSIM sales.
VoIP, SMS & Telecom
SMSFlare - SMS to Voice SIP Platform
Messaging and telecom
Telecom platform work around SMS-to-voice SIP delivery, routing logic and operational messaging workflows.
VoIP, SMS & Telecom
CRM & ERP Systems
SaaS Platforms
EasyVoipCall - Routing, Billing and LCR Platform
VoIP and telecom services
VoIP platform work around routing, billing, least-cost routing and a client portal for telecom customers.
VoIP, SMS & Telecom
CallInmarsat - Telecom Service Website
Telecom and satellite communication
A clear web presence for satellite and telecom communication services.
VoIP, SMS & Telecom
CRM & ERP Systems
Hellasfone - Provisioning, SIP Trunking and Telecom CRM
Telecom services
Telecom operations platform work covering provisioning, SIP trunking, DID, vPBX, number porting and CRM workflows.