Hello,I'm about to start working on a project which requires some SIP libraries to be linked into an application. I am considering using the sipXtapi library and as a first step I want to verify that I can register to my SIP proxies using some already existent sipXtapi-based SIP clients.
Reading the archives of this list I came across CrossTalk (http://www.sgssoft.com/crosstalk/crosstalk.asp) and wxCommunicator (http://wxcommunicator.sourceforge.net). Both programs however fail to register in identical manner, which makes me think about a problem with the sipXtapi library in the first place. But of course, it could be a configuration issue or something else.
I have attached a very simple wireshark trace of the SIP negotiation between these clients and my proxy. Basically the clients quit when they receive a 407 "Proxy Authentication Required" message from the proxy. For comparison, I also include another trace of the openwengo SIP client (http://openwengo.org) which succeeds with the registration.
I would appreciate any comments on this problem. Also, if you can suggest other sipXtapi-based SIP clients worth testing that would be great.
Thanks, -- Pedro
sipX.cap
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wengophone.pcap
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