Companies that provide security specific training in VoIP solutions and technologies:

• IPCom.at: IPCom.at, located in Vienna/Austria is specialized on VoIP consulting. We offer consulting for service providers and enterprises, setting up a SIP infrastructure, and giving VoIP courses for beginners and advanced. Further, we perform VoIP security audits, were we hack your SIP infrastructure and give you advices how to secure your installation. We are familiar with major open source products (Asterisk, kamailio/openser/opensips/...) but also hack commercials systems too. Of course you can consult as also during design phase of your SIP infrastrucuture to avoid security issues at all.

• VoIP Security Training: VoIP Security training delivers VoIP security education for Government, Telecom, and Fortune 500 IT professionals. All courses are taught with both instruction and labs. Students are encouraged to to develop skills with hands on activities designed to build basic and advanced skills in ethical VoIP hacking, secure architecture and design, and custom VoIP attack creation. VST currently carries six(6) curriculums covering Open-Source VoIP Architecture, Enterprise VoIP Architecture and Migration, Introduction to VoIP Hacking, Intermediate VoIP Hacking, Comprehensive VoIP Security, and Advanced SIP/H.323 exploit development using TacVTK. Private courses and conference series available. Courses available worldwide. Based in USA and Asia http://www.VoIPSecurityTraining.com

• VoIP Security Training from ROMAN - Consulting & Engineering AG - Czech Republic.

Note: Please add your links to this section in alphabetical order and make an effort to include a good description.