Tihomir Culjaga
Co-founder & CTO at SYNVERSO
Croatia
Summary
👤
SeniorTihomir Culjaga is a seasoned telecom software engineer and co-founder/CTO with 16+ years designing and deploying contact center and VoIP solutions across Linux and open-source stacks. He combines deep protocol expertise (SIP, WebRTC, SIGTRAN, MGCP, H.323, T.38) with hands-on experience in Kamailio/OpenSIPS, FreeSWITCH, Asterisk and IMS/NGN platforms. As CTO of SYNVERSO he leads product and infrastructure efforts while maintaining a strong developer mindset, evidenced by contributions to FreeSWITCH—adding Croatian language support and enhancing RADIUS auth modules. His background spans operator-grade voice networks and embedded/openWrt environments, giving him rare end-to-end insight from access networks to application-layer call control. Known for pragmatic scripting (shell, Python, Perl) and system-level problem solving, he often bridges carrier requirements with open-source innovation.
16 years of coding experience
7 years of employment as a software developer
Croatian, English, Italian
Github Skills (12)
c1710
c1110
voip10
freeswitch10
telephony10
sip9
user-authentication9
audio-processing9
sips9
authentication9
c-language8
cprogramming-language8
Programming languages (3)
Github contributions (5)
seven1240/FreeSWITCH-OLD
Mar 2010 - Mar 2010
The World's First Cross-Platform Scalable FREE Multi-Protocol Soft Switch
Role in this project:
Backend Developer
Backend DeveloperContributions:6 commits in 2 days
Contributions summary:Tihomir contributed to the FreeSWITCH project by implementing a Croatian language module for the "say" application. This involved writing code to handle Croatian pronunciation and number formatting, including the correct grammatical forms for numbers and currency. The commits also included changes to the radius authentification module. The user made code adjustments, header changes, and fixed typos.
scalablemulti-protocollinuxcommunicationcross-platform
signalwire/freeswitch
Dec 2016 - Jan 2017
FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a versatile software implementation that runs on any commodity hardware. From a Raspberry PI to a multi-core server, FreeSWITCH can unlock the telecommunications potential of any device.
Role in this project:Back-end Developer
Back-end DeveloperContributions:2 commits, 7 comments in 10 days
Contributions summary:Tihomir primarily contributed to the FreeSWITCH project by implementing and modifying modules related to call control and telephony features. They added support for the Croatian language in the `mod_say_hr` module, enabling the system to pronounce numbers, dates, and money in Croatian. Additionally, they worked on the `mod_rad_auth` module, enhancing its radius authorization/authentication capabilities. The user's work demonstrates their focus on expanding the project's internationalization and authentication functionalities.
telecomproprietarytelecommunicationswebrtccommodity-hardware
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