[SIPForum-discussion] SIP Client-Server interaction!

[andre heller]

Hi,
I have implemented a SIP Client and was testing with a SIP Server in my case I made Trixbox to actlike a Server.

I am trying to furnish the details using Wireshark or I can say I am furnishing the how the communication took place between Client and Server.

SIP CLIENT                     SIP SERVER

	SIP Request:INVITE
 ------------------------------------>

 
	SIP Status: 100 Trying
 <------------------------------------

 
	SIP/SDP Status: 200 OK
 <------------------------------------

 
	SIP Request:ACK
 ------------------------------------>

 
	
	SIP/SDP Status: 200 OK
 <------------------------------------

 
	SIP/SDP Status: 200 OK
 <------------------------------------

 
	SIP/SDP Status: 200 OK
 <------------------------------------

 
	SIP/SDP Status: 200 OK
 <------------------------------------

here my question is even though the client have sent the ACK, still the Server is sending 200 OK until the timeout. 

What do you guys think, am I missing something here. By the way it is SIP/UDP.

Regards,
Andre
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