This is a list of companies and individuals offering commercial products or solutions based on Kamailio (or SIP Express Router (SER)) as well as services (consultancy, trainings, development or support) for them. The list is manged by Kamailio project, if you want to apply to be listed check first the Business Directory Rules. Also, check our Business web page for other details regarding business environment related to this project.
A list of who is using Kamailio is maintained separately at Used-By Directory (external individuals can publish directly there).
Disclaimer: whilst we do the best to select serious applications, Kamailio (and SER) projects, along with their developers and management groups, do not guarantee nor take responsibility for the quality of services or products offered by the companies listed here. It is your sole decision to do business with any of the entities listed here and all commercial relations and liabilities are only between you and your business partner, without any involvement of the two open source projects.
The list includes in the first part the companies and individuals that employ contributors to our projects. Other than that, the entries are sorted alphabetically.
Start of Business Directory
Web page: http://www.asipto.com
Location: Berlin, Germany
People Involved in our Projects: Daniel-Constantin Mierla, Elena-Ramona Modroiu
Services: consultancy, design and implementation of SIP platform, development and 24/7 technical support, security analysis and standards conformity certifications. Trainings: Kamailio Bootcamp and Advanced, eLearning classes and SIP Tutorials, professional certifications. Solutions: Internet Telephony Platform for Unified Communication, Prepaid Systems, SIP Load Balancers, Number Portability Systems.
Web page: http://edvina.net
Location: Sollentuna, Sweden
People Involved in our Projects: Olle E. Johansson
Edvina builds customized platforms for realtime communication. We train customer’s team, build the platform and help with adaption to existing business systems. Edvina have customers and installations all over Europe, ranging from University networks to enterprise systems and call center implementations – for end users or service providers.
Evariste Systems LLC
Web page: http://www.evaristesys.com
Location: Atlanta, Georgia, USA
People Involved in our Projects: Alex Balashov
Evariste Systems is an Atlanta-based software company specialising in open source-focused VoIP service delivery engineering for Internet Telephony Service Providers (ITSPs) and carriers.
Our primary line of trade is our SIP trunking delivery system, CSRP. This product solves many technical and business problems in the delivery of “Class 4”-style SIP trunking services, including high-performance Least Cost Routing (LCR), flexible call routing, and on-the-fly call accounting and rating.
Solutions: Canonical SIP Routing Platform
Henning Westerholt VoIP consulting
Web page: https://skalatan.de/consulting
Location: Stuttgart, Germany
People Involved in our Projects: Henning Westerholt
Henning Westerholt is a core developer of Kamailio since 2007. He provides consulting services for Kamailio and VoIP services in the performance, reliability and security area.
IPCom Gesellschaft für internetbasierte Kommunikationsdienste mbH
Web page: http://www.ipcom.at/en/telephony/
Location: Vienna, Austria
People Involved in our Projects: Klaus Darilion
IPCom GmbH helps companies to setup, extend and maintain the VoIP infrastructure. IPCom offers Kamailio trainings, installation support, creation and review of Kamailio configuration and penetration testing of Kamailio or VoIP systems. IPCom is flexible enough to handle everything from small consultancy contracts up to carrier platforms.
ng-voice.com is an independent VoIP consulting company with focus on IMS and custom SIP solutions. We provide Voice-Solutions (from simple Application-Servers to Infrastructure), Training (for operating the platform) and we help on choosing surrounding solutions (e.g. Class 4 interconnects).
Web page: http://www.sipwise.com
Location: Vienna, Austria
People Involved in our Projects: Andreas Granig, Richard Fuchs, Victor Seva
Sipwise offers turn-key appliances on rack servers for small to medium sized ISPs (<50.000 subscribers) and scalable Class5 soft-switches on IBM Blade-Centers for medium to large sized ISPs and Carriers (up to 500.000 subscribers), including service level agreements, system assessments, project management and system customizations.
Stefan Sayer VoIP Services Consulting and Development
Web page: http://iptel.org/sems
Location: Berlin, Germany
People Involved in our Projects: Stefan Sayer
We provide consultancy for design, implementation and integration of value-added services into SIP networks. Specifically, among these are VoIP services implemented with SIP Express Media Server (SEMS) and integration with SER or Kamailio-based networks.
The Palner Group, Inc.
Web page: http://www.palner.com
Location: North America, United States, Florida
People Involved in our Projects: Fred Posner
The Palner Group, Inc. provides Kamailio (OpenSER) services such as deployment, troubleshooting, set-up, architecture, and design. From small businesses to call centers to VoIP carriers, The Palner Group helps provide a stable and scalable solution for custom needs.
Web page: https://tutpro.com
People Involved in our Projects: Juha Heinanen
OpenSIPg VoIP, presence, and instant messaging platform for telecom operators, ISPs and enterprises. Kamailio, SEMS, and other SIP related development and consultation services.
Web page: http://www.voipembedded.com
Location: Toronto, Canada
People Involved in our Projects: Ovidiu Sas
VoIP Embedded is an independent VoIP consulting company specialized in providing custom VoIP SIP based solutions using Kamailio SIP proxy server.
Web page: http://www.celulaires.com.ar
Celulaires is a service provider with a focus in VoIP and Mobile solutions. It has as well an engineering area to provide consulting and integration services for Open Source systems and telecommunications.
Web page: http://www.dopensource.com
Location: North America, United States, Detroit, Michigan
dOpenSource provides Enterprise Grade Support and Consulting on Kamailio with a focus on helping companies scale their existing Asterisk and FreeSWITCH environments. We also help companies design and deploy scalable WebRTC infrastructures using Kamailio.
Web page: http://www.interlancompu.com
Location: Quito, Ecuador
Services: Design and implementation of SIP platform, 24/7×365 L1/L2 support, Solutions: Internet Telephony Platform for Unified/Mobile Communication, Prepaid Systems, SIP Load Balancers, Number Portability Systems, High Availability, Integration with Freeswitch platform
Web page: http://www.itcenter.com.pt
Location: Aveiro, Portugal and Angola, Africa
ITCenter provides consultancy, design and implementation of SIP platforms, development and technical support, security analysis and standard conformity certifications. ITCenter has experience with Asterisk, open source VoIP and OpenSER/Kamailio solutions; knowledge in Clustering and Fail-over scenarios and is specialized in interconnection of Legacy PBX with Asterisk and in the integration of Hylafax and Asterisk FAX.
Web page: http://www.isaco.de
Location: Berlin, Germany
ISACO GmbH offers consulting, technical support, and software solutions for carrier grade VoIP networks based on Kamailio or SER. Solutions include in particular a home proxy and registrar (with WebRTC support), an IMS S-SCSF replacement with ISC interface, emergency routing, and interconnection proxies. ISACO provides billing and provisioning functionality integrated with these solutions.
Igor Olhovskiy VoIP and Linux Consultancy
Web page: https://samael28.blogspot.de
Location: Kyiv, Ukraine
We are providing consultancy and implementation for various complexity PBX systems. Most expertise is in building cloud PBX HA solutions based on OpenSource components like Kamailio, Asterisk, FreeSWITCH and various flavors of GUI’s for this products like FreePBX, FusionPBX, A2Billing, ASTPP.
Web page: http://www.ezcnam.com
Location: Walpole, MA USA
EZCNAM sells carrier grade CNAM (caller id name) data to identify the calling party name for inbound phone calls. Our data is among the best available, and our pricing is rock bottom; less than 1/3 penny per transaction, with further discounts for high volumes. We offer a REST API, support for SIP and ENUM protocols, and we can integrate directly into Kamailio applications.
Web page: http://www.quobis.com
Quobis provides consultancy, design, implementation and other professional services for telcos, ITSP, contact centers, public administration and enterprise customers which demand high reliability, secure and cost efficient solutions. Quobis has conducted business in sourthern Europe and LATAM markets, backed by a team of senior telecom engineers, with several years of professional experience working with open source technologies like Kamailio, Asterisk and other SIP-related solutions.
Ucom Standards Track Solutions GmbH
Web page: http://ucom.ch/services/dr-sip
Location: Europe, Switzerland, Zurich
The company offers a wide range of services related to SIP / VoIP (Voice over IP) / Internet Telephony including Kamailio.
Among our service: design, architecture, implementation, testing, support and maintenance of Kamailio based IP Telephony systems.
Ucom has experience with several VoIP providers to address their Kamailio needs and active participation in the SIP Standardization work, including as a document author or relevant SIP standards Track documents (IETF RFCs).
Web page: http://www.voipxswitch.com/
Location: North America, United States
VoIPxSWITCH offers consulting for Kamailio and other VoIP software. Specializing in large clustered deployments but experienced in any size deployment. Skills in design, development, and deployment of Kamailio.
Also, experienced in Asterisk, FreeSWITCH, Kamailio, FusionPBX and many programming languages.