Hello! I'm not a good CV writer, but let me describe my skills for you to clearly understand it. I work with the asterisk, PBX, Mail and other systems over 9 years. Created a lot of call centers that are working successfully till now. I can install and configure for you Vicidial\Goautodial, FreePBX, A2billing, Freeswitch. and integrate it with Vtiger\Sugar CRM etc. Installation and configuration Email servers, Cloud servers. Zabbix monitoring (servers and networks) I can install and configure KVM hypervisors and work with virtual machines on your or mine hosting. Also I have a lot of expirience in: All Linux and Microsoft Server 2003, 2008, 2012, R2, SBS and Windows 7 / 8 Firewall / Router configuration / Iptables /Fail2ban Active Directory, TCP/IP, DNS, DHCP, VPN, IPsec tunnels Mobile OS and devices Virus / Malware scanning and removal Remote support tools i.e. RDP and Team viewer I hope I can be useful to you.