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SIP Stack interview questions

Posted on 2006-07-17
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I need  a reference of list of interview questions for SIP (Session Iniatiation protocole)?

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Question by:bachra04
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by:Reid Palmeira
ID: 17127705
who/what are you interviewing?
are you looking for questions for a hardware vendor? a carrier? an employee who will be implementing a SIP solution for you?

Also, what kind of solution?

You can offer general questions

1. how to do support QoS?
2. what forms of SIP authentication and security do you offer?
3. how much practical experience (e.g.: how many customers use your products? how many installations have you done?)

and last but not least, my personal favorite:

4. do you have MGCP as much as I do? ;)

cheers,
-rp
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by:bachra04
ID: 17134396
This is me who will be interviewed for a progammer position that requires some SIP knowledge?
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Reid Palmeira earned 1000 total points
ID: 17135964
typically i would ask stuff like the following.

1. how much experience do you have with SIP and/or VoIP in general?
a. how much experience do you have with IP PBXs, switches or whatever other devices they're using
b. how much experience do you have with different SIP endpoints such as IP phones or softphone clients?
2. have you worked with any session border controllers?

those at least for first round interview to get an idea of more difficult things like

3. how would you implement SIP authentication?
4. given our network environment here, what's the most effective method of implementing QoS? What's the most efficient method given $_____?

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