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need for resources on VoIP over a Lan

Dear sirs

 My name is Omid Darvishi and I am a student of communication engineering.
My final university project is about "Voice over IP".For the first step of  
this project I intend to implement VoIP over a LAN .For getting started I
need resources that cover this issue.Unfortunately or fortunately VoIP is
such a completely new topic in our country that there is no book about it
in our university library and hardly any in bookstores.Nevertheless I've
read Mr Uyless Black's book "Voice over IP",Prentice Hall and Mr Alan Johnston's
"understanding the SIP",Artech House,and of course some white papers and tutorials
available on the Internet.As I mentioned I want to start with VoIP over a
LAN and also using only microphones,speakers and sound cards and a software  
written in C++ in a windows platform as well.
 But unfortunately almost all things I have read speak about generals such as
the motivation for IP telephony ,fundamentals of VoIP,the benefits and drawbacks
,the barriers and solutions and so on while I need more detailed things such as
how to capture voice ,buffer it and play back the buffered voice,how to packetize
the digitized voice and transmit it to the other part and so on that are not
covered in the materials I have studied yet.
 Perhaps all those things that I described can't be gathered under a unique topic.
Anyhow I need some resources on the 'Net to complete my project but the more I
have searched the Internet the less I have found.Indeed I am tired of asking anyone
searching and not finding.
 So could you please tell me where can I find such materials (preferably free
ones),or at least who can answer my question?
 I'm not a skillful programmer so any good resources on network and socket programming
in C++ can be useful as well.
 I'm looking forward your helpful answer.

 with Best Regards.
 Omid
 
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omid1407
Asked:
omid1407
1 Solution
 
stevenlewisCommented:
this may get you on your way
http://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/cis3600/voice/4936vqsg.htm

and since you are a student, and obviouly use the internet for your research, may I suggest getting copernic from www.copernic.com
(free). It searches multiple search engines at onece, saves the searches, and will even validate the links for you. For me here it is an indispensable tool
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CleanupPingCommented:
omid1407:
This old question needs to be finalized -- accept an answer, split points, or get a refund.  For information on your options, please click here-> http:/help/closing.jsp#1 
EXPERTS:
Post your closing recommendations!  No comment means you don't care.
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omid1407Author Commented:
Well, I expected more comments. stevenlewis suggested a cisco resource which I had studied it before. It was more introduction than a detailed implementation guide that could help me. Something like a novel, so I think the question should be closed after this so long time without any satisfactory answer.
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