Sonus interview questions

C++ interview questions. Protocol related interview questions based on my prior experience Major questions were related to the projects I had mentioned in my resume. related to sigtran stack , GSM , GPRS etc

I got a call through Elitmus. There were 3 continuous technical rounds and a HR round. I was asked questions about Unix, networks, C++.The interviewer seemed very knowledgeable. My interview went pretty well. Was expecting an offer as they said results will be announced in a week. But dint get an offer.