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IP-telephony and VoIP · Software and server configuration
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Привет! Linux & VoIP инженер к вашим услугам, всего коммерческий опыт около 4х лет. Занимаюсь администрированием Linux-систем и, немного, разработкой под небольшие задачи. 4 года опыта работы с UNIX-подобными системами (Debian / Ubuntu). ✔️VoIP Telephony services (SIP): Asterisk, FreePBX IP-PBX platforms Experience with hardware like GSM, FXO/FXS gateways, PRI modules Dialplan programming (AEL, LUA) Asterisk AMI, AGI, ARI interfaces A little experience with Kamailio SIP trunking and carriers interconnection ✔️Linux and DevOps: A power user and administrator of Debian/Ubuntu systems for about 5 years VPS and Cloud Environments such as Hetzner, Digital Ocean, Vultr, Linode, Rackspace, GCP, AWS (Cloud Practitioner) Experience with Terraform, Ansible, Puppet, Docker, LXC Proficient with Proxmox (KVM) ✔️Monitoring: Experience with Zabbix and Nagios Prometheus, Grafana, ELK ✔️Software Development Junior level of PHP, JS, Bash and Python FrontEnd development (jQuery and React.js) API development - Node.js (express, koa), Python (flask) ✔️Networking Feeling comfortable about the most common networking protocols around me Fell in love with SIP & (S)RTP, DHCP, HTTP(s), DNS, ICMP, WebRTC, STUN, SSH, VRRP and a few others Proficient with Cloudflare (DNS, firewalling, SSL/TLS) Experience with Mikrotik hardware (on my path to MTCNA now)