I applied through university. The process took 1 day. I interviewed at Ribbon Communications (Bengaluru) in Apr 2025
Interview
We had an exam in round 1 with total 7 leetcode questions 3medium 4 easy after clearing it 1 tech had questions on resume and oops osi model deep copy and shallow copy and 1DSA question after that 2 tech round is again about DSA and C language with pointers and computer networks
Interview questions [1]
Question 1
Suppose
To choose a media streaming
Which protocol we need
To use and
Why
I applied online. I interviewed at Ribbon Communications in July 2025
Interview
It was the first round of interview of SIP,RTP protocol and C. It was for a individual contributor for there SBC product. Focused on SIP signaling and concepts of C such as OOPS and pointers
Interview questions [1]
Question 1
Q1. Flow of SIP signaling
Q2. How many m Lines are there media flow.
Q3. What is a dialog
Q4. What is a transaction,difference between transaction and dialog.
Q5 Volaite in C
Q6 Types of inheritance, hybrid inheritance
Q7 Function pointer
Q8 Second largest number in an array
I interviewed at Ribbon Communications (Bengaluru)
Interview
Basically its a telecom company they are looking for the candidate who is good in c ,cpp,python and data structures .They asked more on the ds and cpp only.The total 3 rounds are there one is conducted virtual and Technical/mangerial round need to attend F2F in their office location.