[OpenSIPS-Users] trying from different source port

[Josip Djuricic]

Hi,

 

I have a question, it's more a theoretical question.

 

If the invite is sent to port 5060, would rfc allow responses to come from
different ports?

 

Ie..

 

Invite (src port 36000, dst port 5060) --- >

 
< --- 100 Trying (src port 5060, dst port 5060)

 
< --- 100 Trying (src port 37039, dst port 5060)

 
< --- 183 Progress SDP (src port 37039, dst port 5060)

 
< --- 200 OK SDP (src port 37039, dst port 5060)

 

 

Best regards,

 

Josip

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