Paul is a Telecom engineer with more than 9 years of experience in Telecommunication Technology. His career path led him to develop skills in various telecom disciplines such as software engineering, network and IP Telephony and, last but not least, product management and leadership. His research interests include, in particular, component-oriented software engineering, SIP technology and agile software craftsmanship.Paul is a Telecom engineer with more than 9 years of experience in Telecommunication Technology. His career path led him to develop skills in various telecom disciplines such as software engineering, network and IP Telephony and, last but not least, product management and leadership. His research interests include, in particular, component-oriented software engineering, SIP technology and agile software craftsmanship.IP PBXes; VoIP (especially SIP) implementation and troubleshooting; Unified Communication technology.