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      VOIP Engineer Interview

      29 Jan 2024
      Anonymous interview candidate
      No offer
      Neutral experience
      Average interview

      Application

      I applied online. The process took 6 weeks. I interviewed at BICS in Jan 2024

      Interview

      The 1st round of interviews was attended by the country operation manager and two service managers. The hiring managers were okay with waiting for 5 weeks for this scheduled interview as I was away. It took around 50 minutes. It is informed that the role requires one to be on standby on call and attend customer calls anytime for 7 days monthly.

      Interview questions [12]

      Question 1

      What do you understand about SBC?
      Answer question

      Question 2

      What are the differences between TCP and UDP?
      Answer question

      Question 3

      What are the TCP requirements?
      Answer question

      Question 4

      Please tell me the basic SIP call flow
      Answer question

      Question 5

      What is CODEC in VoIP Calls?
      Answer question

      Question 6

      What is SIP INVITE and what are the headers in INVITE?
      Answer question

      Question 7

      What is SDP and Session Expire?
      Answer question

      Question 8

      What is a SIP Prack?
      Answer question

      Question 9

      What is the protocol used in Fax?
      Answer question

      Question 10

      What do you know about DNS?
      Answer question

      Question 11

      What are the important things in TLS?
      Answer question

      Question 12

      What is QoS in VoIP calls?
      Answer question

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