Hello, sir.
I am VoIP&Mobile developer with over 8 years experience of VoIP and have made 30 voip product using Asterisk.
of course, i know well settting about GoAutoDial, freepbx, vicidial, asterisk now, elastix server .
I developed this product using following development language.
C(Asterisk engine), PHP, MySql,Perl, javascrip(with JQuery) (Web Management), PHP+AGI SCRIPT(AGI engine), Shell Script(install Script), Android, iOS
Of course, OS is Linux.
I know well following function:
IVR, TDM Card Setting, CallBack, Meetme, Paging,PackedDirected call,Feature code function, Trunk setting, Routing setting, voicemail setting, call transfer setting…