We are porting our existing SIP applications from using the Radvision SIP stack to using PJ SIP. Because of this we are looking for an experienced C++ developers that has worked with PJ SIP. The company is based in Phoenix, AZ, U.S.A so we would prefer a developer that is within the U.S. Any applicant must have at least 5 years using C++.
The applicant must know SIP and work in-depth with PJ SIP.
Phoenixsoft develops a soft-switch that provides, prepaid, Class4, and Class5 services. There are three application that make up with SIP interface. These are our SIP Proxy, SIP Registra, and the SIP Call Processing layers. All the application run on RHEL/CentOS 7 and are multi-threaded.
It is estimated this will be a 2-3 month contract.