A randomized listing with companies, products or services using Kamailio®. You are welcome to add new entries via submission form (click here).

Elastix – MT

Open source Linux distribution focused on VoIP and unified communications.

PaloSanto Solutions

Greenfield Technologies

Real time communications solutions and services.

Greenfield Technologies

Smile Telecoms

Smile provides 4G LTE mobile broadband services.

Smile Telecoms

SIP:Provider CE

Open source platform targeting IP telephony operators, embedding Kamailio, SEMS and Asterisk, packaged with billing system, web interfaces for administrators and subscribers.

Sipwise GmbH

FhG Fokus

Open communications research and prototyping.

FhG Fokus Research Insititute

iptel.org

Free SIP service since early 2000 with option to host personal domain.

iptel.org

DIDX

World wide DID market place.

DID eXchange

Core Network Dynamics

Solutions to access, control and services for mobile networks – EPC, IMS.

Core Network Dynamics

OpenRCS.com

Free SIP and WebRTC service – voice, video, instant messaging and presence.

OpenRCS

PRIVISIP

PRIVISIP is a free (as in beer) TLS/SIP service for your endpoint, pbx, or other sip device. Powered by Kamailio.

privisip.com

sipgate

IP telephony operator and MVNO in Germany.

sipgate

CSRP

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…

Evariste Systems LLC

Telio

Large VoIP?telephony provider in Norway and couple of other European countries.

Telio

modulus VoIP Services

IP Telephony operator based in Athens, Greece.

modulus S.A.

VoIPUser.org

Free SIP service with iNum and UK inbound numbers.

VoIP User Forum

1&1

Second biggest telephony operator in Germany.

1&1 AG

Truphone

Global MVNO and VoIP service, one SIM with multiple telephone numbers from different countries.

Truphone

Libon

A mobile communications service – voice, chat, sharing, …

Orange Vallee

Local Mail Business Phone

Local Mail is a cloud-based business phone system that turns conversations into opportunities and helps global teams make smarter calls–anywhere, anytime. We bring simplicity to the professional phone experience and some of the world’s most innovative companies use our platform. Localmail’s products span video meetings, cloud call centers, sales coaching, and dialers, and enterprise phone systems–and are all infused with the latest AI technologies to help every business make smarter calls, Instead of waiting weeks or months for compliance & approvals on budgets, you can instantly deploy new applications, instantly scale up as your workload grows, and pay only based on USAGE.

Local Mail

Zoon Suite

IP telephony operator in Spain.

Zoon Suite

OV500 Billing and Switching Solution

OV500 is an open source billing and switching solution developed by the openvoips community managed by Chinna Technologies. The solution is based on Kamailio, RTPProxy and FreeSwitch.

Chinna Technologies

Nimvelo Phone

Internet phone service tailored for small businesses and start-ups, also having full REST API for integration with other services.

Nimvelo (Sipcentric Ltd)

Kazoo

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.

2600hz

Voip-Lab

IP Telephony operator based in Milano, Italy.

Voip-Lab

Asipto

SIP and Kamailio consultancy, trainings, support and development.

Asipto, Germany

Thirdlane Cloud PBX

Cloud PBX platform.

Thirdlane

Divssol Inc.

We offer best VoIP telephony solution to customer by using Kamailio.

Divssol Inc.

Beneffy Telecom

US Based VoIP Phone Service Provider focused on Small Business and Enterprise Market, offering SIP trunking services along with hosted PBX solutions.

Beneffy

LOD.com

Commercial Kamailio support, consultancy, and hosting.

LOD Communications, Inc.

Open IMS Core

Open source IMS core prototype implementation.

FhG Fokus

FreeNet

One of the largest IP telephony providers in Germany.

FreeNet

2600hz

Consultancy, development and trainings for Kamailio, Kazoo and FreeSwitch projects.

2600hz

VozTelecom

Spanish telephony and unified communications provider.

VozTelecom

Irontec

Telecom services and systems.

Irontec

Frafos

SBC products and SIP consultancy services.

Frafos

Xtra Telecom

Spanish telephony provider focused on enterprise market, offering SIP trunking services along with hosted PBX’s

Xtra Telecom

Enswitch

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.

Integrics

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