[SIPForum-discussion] no 180 and 183 message

[Jing Jiang]

I saw a situation:

UA1 makes a call to a PSTN number, but the proxy just send back 100 and
then follows 200 message.  I though the proxy should send back 180 or
183 before 200 response.

 

Does the proxy do anything wrong?

 

Regards,

Jing

 

 


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