Kamailio SIP server/ Postgre SQL Developer

Candidate should be familiar and comfortable with - Preference would be given to having experience on IVR and Call Center application development. - Hands on experience in Kamailio SIP Server - Integration with Database (PostgreS-Q-L) with knowledge of queries and stored procedures. - Experience in installing Hosted VoIP Candidate Profile The candidate must have: - 2 - 4 years of experience - Strong Knowledge in PBX, SIP, RTP protocols. - Strong knowledge of SIP server architecture - Expert in installation, configuration and troubleshooting. Nice to have : - good knowledge of SIP. - Postgre SQL and Telephony Domain.