having experience of more than 4yrs on Asterisk, Freeswitch, A2billing, Elastix, Free PBX,Vicidial,GoAutodial,Os Dial,TrixBox,FusionPBX,vTiger, CRM, FAX integration and other VoIP related technologies. Useful and cost-effective phone management system planning & designing & installation for Call center setup using open source Vicidial,Goautodial,Elastix,Freepbx Expertises in Digium, Sangoma,Allo,Openvox and other type of PRI & PSTN Card installation as well as VOIP Setup From Scratch. Connecting Multiple Asterisk Server & Cloud Solution for asterisk.Also In Virtualization like AWS,OpenVz,Vmware ESXI,VitualBox,