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

Open IMS Core

Open source IMS core prototype implementation.

sipgate

IP telephony operator and MVNO in Germany.

Elastix – MT

Open source Linux distribution focused on VoIP and unified communications.

PaloSanto Solutions

Asipto

SIP and Kamailio consultancy, trainings, support and development.

Asipto, Germany

Libon

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

Orange Vallee

Xtra Telecom

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

FhG Fokus

Open communications research and prototyping.

FhG Fokus Research Insititute

OpenRCS.com

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

Thirdlane Cloud PBX

Cloud PBX platform.

PRIVISIP

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

privisip.com

FreeNet

One of the largest IP telephony providers in Germany.

Irontec

Telecom services and systems.

Greenfield Technologies

Real time communications solutions and services.

Greenfield Technologies

LOD.com

Commercial Kamailio support, consultancy, and hosting.

LOD Communications, Inc.

VoIPUser.org

Free SIP service with iNum and UK inbound numbers.

VoIP User Forum

Smile Telecoms

Smile provides 4G LTE mobile broadband services.

Smile Telecoms

DIDX

World wide DID market place.

DID eXchange

Truphone

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

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)

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

VozTelecom

Spanish telephony and unified communications provider.

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.

Kazoo

Scalable telephony platform build on top of Kamailio and FreeSwitch, with web interfaces for admins and users.

1&1

Second biggest telephony operator in Germany.

Beneffy Telecom

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

iptel.org

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

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.

Telio

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

Core Network Dynamics

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

Core Network Dynamics

Frafos

SBC products and SIP consultancy services.


Content on this page is submitted by public community, if a record is inaccurate, contact us for correction.