A randomized listing with companies, products or services using Kamailio. You are welcome to add new entries via submission form (click here).
Large VoIP?telephony provider in Norway and couple of other European countries.
KAZOO is an open-source, highly scalable software platform designed to provide carrier-grade VoIP switch functions and features. Developers, system administrators, and telecom engineers can build flexible, reliable telecom services using the extensive KAZOO APIs.
Open communications research and prototyping.
Real time communications solutions and services.
Commercial Kamailio support, consultancy, and hosting.
Enswitch is a full-featured multi-tenant softswitch for commercial telephony services such as hosted PBX, residential ITSP, SIP trunking, calling cards and more. It scales to tens of thousands of concurrent calls and hundreds of thousands of users on a full redundant cluster. It includes extensive hosted PBX features, prepaid and postpaid billing, invoicing, a web interface for system administrators, resellers, and customers, and a complete JSON API. It’s in production with carriers around the world, from single machine systems running tens of users to systems with several hundred thousand users. It’s also used by enterprises as a corporate PBX where high scalability and redundancy are required, especially across multiple sites.
Spanish telephony and unified communications provider.
Smile provides 4G LTE mobile broadband services.
Internet phone service tailored for small businesses and start-ups, also having full REST API for integration with other services.
Second biggest telephony operator in Germany.
Thirdlane Cloud PBX
Cloud PBX platform.
PRIVISIP is a free (as in beer) TLS/SIP service for your endpoint, pbx, or other sip device. Powered by Kamailio.
Elastix – MT
Open source Linux distribution focused on VoIP and unified communications.
Global MVNO and VoIP service, one SIM with multiple telephone numbers from different countries.
One of the largest IP telephony providers in Germany.
SBC products and SIP consultancy services.
Spanish telephony provider focused on enterprise market, offering SIP trunking services along with hosted PBX’s
Free SIP service since early 2000 with option to host personal domain.
Core Network Dynamics
Solutions to access, control and services for mobile networks – EPC, IMS.
Telecom services and systems.
Free SIP and WebRTC service – voice, video, instant messaging and presence.
SIP and Kamailio consultancy, trainings, support and development.
Free SIP service with iNum and UK inbound numbers.
Kamailio lies at the call processing core of CSRP, a high-performance SIP call routing, accounting, rating and LCR solution for SIP trunking providers, hosted PBX…
Open IMS Core
Open source IMS core prototype implementation.
Consultancy, development and trainings for Kamailio, Kazoo and FreeSwitch projects.
IP telephony operator and MVNO in Germany.
US Based VoIP Phone Service Provider focused on Small Business and Enterprise Market, offering SIP trunking services along with hosted PBX solutions.
World wide DID market place.
Open source platform targeting IP telephony operators, embedding Kamailio, SEMS and Asterisk, packaged with billing system, web interfaces for administrators and subscribers.
A mobile communications service – voice, chat, sharing, …
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