Expert in VOIP, expierenced in Asterisk,webrtc2sip,sipml5, MVTS,jquery
My web site is: www.a4business.com
I am creating turn-key VOIP platforms for online bussines with WEB-site, different billings, rates setup, VOIP dialers, mobile dialers, DIDx provider integration, paypal online payments for Calling card business, DID and other.
I have experience in Asterisk, Sysmaster/VoiceMaster brands (http://sysmaster.com).
Demo: www.norfa.com, ( ask me for test PIN )
My video lessons: https://vimeo.com/user36231282/videos
Also, I had big expierence with Nextone(, Asterisk, freeswitch, iTelBilling, iTelByteSaver, iTelSwitch, Billbery, Alepo, MVTS, a2billing, freepbx, opensips, kamalio, PHP programming (php-agi, css, jquery), Linux advanced administration, kernel, bash, perl, SQL database architecture: Mysql, MSSQL, Sybase, SQLite, PostgreSQL, Cacti, MRTG, RRD, WHMCS customization, system Backup/Restore schemes.
Also I install everything which is needed for business - mail exchange servers (Zimbra, Zarafa, Roundcube Webmail), Ticketing CMS (WHMCS) and write custom modules for each.