4PSA
Andrei Cazacu is a Technical Support Engineer at 4PSA since June 2021, specializing in VoIP call flow debugging, core component issues related to Asterisk, Kamailio, MySQL/MariaDB, and server performance on various operating systems. Prior to this role, Andrei worked at Nobel, Ltd from August 2008 to June 2021, holding positions as a Switching Engineer and NOC & Routing Supervisor. Responsibilities included interconnecting carriers, maintaining telecommunications systems, troubleshooting network issues, performing software upgrades, and managing virtualization solutions. Andrei also has a solid academic foundation from the University POLITEHNICA of Bucharest and "Petru Rares" National College.
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4PSA
4PSA is a provider of unified communications software for the cloud that allows its clients to communicate better. It offers real-time communication and collaboration services in the cloud.4PSA has also engineered technology that enables service providers to deliver cloud services, including automation, enterprise PBX, voice, video, instantmessaging, and mobility. It was launched in 2002 and is based in Bucharest, Bucuresti.