Stefan Sayer Email & Phone Number
Director Public Sector @ FRAFOS GmbH
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Stefan Sayer Location
- Germany
Stefan Sayer Work
- Director Public Sector @ (May 2018 - Present)
- Principal Engineer @ (November 2016 - May 2018)
- CTO, Co-Founder @ (January 2010 - November 2016)
- Chief Executive Officer, CTO @ (July 2011 - August 2012)
- Founder @ Stefan Sayer VoIP Consulting (January 2009 - Present)
- SEMS developer @ SIP Express Router (January 2003 - Present)
- Cook @ (September 2019 - September 2019)
- VoIP Services Engineer @ iptego GmbH (September 2006 - January 2010)
- Student Researcher @ FhG Fokus (January 2003 - January 2005)
- Software Developer @ itdesign GmbH (April 2000 - July 2001)
Stefan Sayer Education
- UPC School (Universitat Politècnica de Catalunya) 2006-2007
- Technische Universität Berlin
Diplomingenieur
2001-2007
Stefan Sayer Skills
- SIP
- VoIP
- Telecommunications
- RTP
- Software Engineering
- Unified Communications
- Linux
- C
- Telephony
- TCP/IP
- IP
- Asterisk
- IPv6
- LTE
- Mobile Devices
- SS7
- PowerPoint
- Testing
- Engineering
Stefan Sayer Summary
- Stefan Sayer, based in Germany, is currently a Director Public Sector at FRAFOS GmbH. Stefan Sayer brings experience from previous roles at FRAFOS GmbH and Stefan Sayer VoIP Consulting. Stefan Sayer holds a 2006 - 2007 UPC School (Universitat Politècnica de Catalunya). With a robust skill set that includes SIP, VoIP, Telecommunications, RTP, Software Engineering and more. Stefan Sayer has 3 emails and 2 mobile phone numbers on RocketReach.
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