SIP

Friday, April 22, 2011

SIP Interview Questions

Hi All,

I want to share some sip interview questions with you all.. When you are attending Telecom Interviews using VOIP (SIP), you will definitely get 90% of the below questions from your interviewer.  The Below are very common questions while you are reading but you will get problem if you don't have enough skill on the technology what you chosen.

1. What is VOIP? What is the Common problem you will face while using Voip Service?
2. What is SIP? What is the major discovery in SIP if compare with Other Protocols?
3. What is SIP Protocol Structure?
4.  What are L2 and L3 Layers?
5. What are the general headers you will see in SIP Requests and Responses?
6. How to do SIP conformance Testing?
7. What kind of scripts you know to automate SIP Call flow?
8. How to check usability testing on SIP Phone?
9. How you will do Compatibility testing on Voip?
10. Give me an example when servers send 5XX response?

More Questions are coming soon.. Please wait for some more time.. You will see Very Attractive information in this blog and it will be very useful for you carrier in Voip.

Thanks,
Ramesh Babu T

 














6 comments:

  1. Kuldeep - Its an open blog, so ppl can add answers in comments that would be helpful for others.
    People from Bigger companies can add more to this blog. That would be highly appriciated

    ReplyDelete
  2. pls post the answer as well. it would be helpful for us..

    ReplyDelete
  3. Good questions posted.
    I would like to add some more:

    1. what role does SDP play in SIP protocol sessions?

    2. what are the various logical layers in a SIP stack?

    3. what are the types of proxies that come into picture in SIP communication.

    4. Examples of call flows in specific cases such as Redirect, call forward, etc.

    5. Compare and contrast SIP with H323.

    Happy learning.

    ReplyDelete
  4. Go through this link ...http://www.tech-invite.com/Ti-abnf-sip-hf.html

    ReplyDelete
  5. 1.What is CDR records.
    2.what is codec, what are the codecs you are worked over it.In a SIP message where you will find the codec .
    3.How different media codec exchange with each other.
    4.What was your recent trouble shoot and what was your recent bug.
    5. Where you will find the Bandwidth of a media codec.
    6.Explain about your test bed setup.
    7. According to signal what is the difference between router& switch.
    8.Can you transfer a call to a Fax machine.
    9.How many transaction exit between one simple call flow.
    10.how a transaction can be identified for two user agent.

    ReplyDelete
  6. These questions added to my bunch of interview questions. Great work friends !!! Hard to find nice SIP interview questions. Recently came across some more SIP questions @www.code2compile.com

    Keep sharing people :-)

    ReplyDelete