We are looking freeswitch developers, the FreeSWITCH developer is a position that will involve design, development, deployment, troubleshooting and maintenance of various tools and services that support startelelogic.com cloud telephony network. *Mandatory Skills: * 1) Hands on expertise in SIP, RTP and RTCP 2) Good knowledge on TURN,STUN, NAT, TLS 3) Free-switch working knowledge on audio/video conference Web RTC 4) Good knowledge on RTP Proxy and routed audio conferences concept where media would flow via free switch RTP Proxy 5) SDP Protocol offer/answer 6) Freeswitch - Listening conference events using ESL socket (i.e mod_event_socket) 7) Worked on any tool for load testing of free switch for audio conference 8) Deployment of multiple instances of freeswitch using load balancer 9) 2 to 4 years of experience with telecom protocols like SIP, RTP, SMPP. 10) Deep understanding of codecs like PCMU, PCMA, G729, Opus, etc.,working Specialties of open source telephony technologies like Freeswitch and WebRTC, etc. 11)Good at debugging issues by reading packet captures. Knowledge of Protocols like SIP/RTP. Knowledge of H323 will be an additional advantage. Well versant in SIP servers like SER/OpenSER. Knowledge of SBC, Freeswitch, SIPX will be an additional advantage. *Qualifications *Bachelor's degree in eng.(B.tech or MCA) 4+ years of experience in FreeSWITCH or other related VoIP technologies. Proficiency at operating in a pure Linux environment. Ability to understand basic to intermediate SQL. Familiarity with open source network tracing tools such as Wireshark/tshark and Ngrep Excellent technical problem-solving skills. *Specialties :* Installation, Configuration & Troubleshooting of following products* IVR/IP PBX/SOFT SWITCH* Freeswitch Gateway Interface Manager Interface (AMI)* End to End VOIP Set-up* Predictive Dialer* Call Centre Solutions* Softphone* LCR/CDR* Web to call* Click to call* IP Phones* IP PBX/ Installation / maintenance /load balancing, TLS, encryption, configuration of linux systems /* Support for digium / sangoma /* SIPp * SMS Gateway* FreeSwitch* FreePBX* Elastix* ASTPP* vBilling* A2Billing=== Callback Solution ===* DID Callback* ANI Callback* SMS Callback*Web Callback We are only looking who expertise in FreeSWITCH on urgent basis.