i have 10 years experience in VoIP, asterisk and IP PBX i can manage your servers as per your requirment can also give you support 24x7 please feel free to contact me anytime for more discussion...
we will provide you complete asterisk based solution support and Freepbx .Isabel,Vicidial ,Goautodial ,Chat ,Email ,WebRTC. Also We are asterisk certified team reach me in sky-pe also