Could Any body suggest me an SIP programming interface please?

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Hi ,
As a part of my MS project I proposed a 3-party authentication protocol which can be used in SIP too. for SIP. The proxy server utilizes this protocol to  authenticate the UC's Invite,using the Registrar server. Now, I have to estimate the totoal overhead of the scheme on a normal  SIP call.  I searched dozens of  SIP, UMTS, GSM related papers to find a simulator or emulator which could be used to to achive the goal but I couldn't get any solutions as I need to consider execution of the RSA,AES and SHA on the agent's processor, I also need the solution to answer me with not too much programming due to my time constraints. I  browsed the Resirocate  project docs but I don't think then can answer me in time. I am also not sure whether SIPp, MS LIve communication server and SERcan help me? Co
 uld you please  suggest  me  any rapid solutions? Any simulation techniques?any piece of software or programmining interface? By the way I am a little familiar with opnet as I did a tiny
 project with it. Doest it help me?
 
Thanks in advance.
Samira. 
       
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Hi ,<BR>As a part of my MS project I proposed a 3-party authentication protocol which can be used in SIP too. for SIP. The proxy server utilizes this protocol to&nbsp; authenticate the UC's Invite,using the Registrar server. Now, I have to estimate the totoal overhead of the scheme on a normal&nbsp; SIP call.&nbsp; I searched dozens of&nbsp; SIP, UMTS, GSM related papers to find a simulator or emulator which could be used to to achive the goal but I couldn't get any solutions as I need to consider execution of the RSA,AES and SHA on the agent's processor, I also need the solution to answer me with not too much programming due to my time constraints.&nbsp;I &nbsp;browsed the Resirocate&nbsp; project docs but I don't think then can answer me in time. I am also not sure whether SIPp, MS LIve 
 communication server&nbsp;and SERcan help me? Could you please&nbsp;&nbsp;suggest &nbsp;me&nbsp;&nbsp;any rapid solutions? Any&nbsp;simulation techniques?any piece of software or
 programmining interface? By the way I am a little familiar with opnet as I did a tiny project with it. Doest it help me?<BR>&nbsp;<BR>Thanks in advance.<BR>Samira. <p>&#32;



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