Hands on experience in developing, debugging VOIP,WebRTC,Asterisk modules,open SER,Kamalio, CDRs,Calls processing,VOIP billing engines. SIP,WebRTC, Audio codecs(G711u,G729),media and database(MySQL) applications.
Hands on experience in development and debugging on Asterisk PBX(Installation,setup,programming,developing modules and debugging).Worked on core modules of the asterisk,sip,features,apps,media bridging,IVR,voice mail,call recording,ACD,AGI and A2Billing.
Hands on development and debugging experience on Kamailio,Open SER and RTP Proxy.