[SIPForum-discussion] Regarding sequence of 1XX response

Roy, Nishant Kishore nishantkr at hp.com
Fri May 23 10:33:00 UTC 2008

Hi all,

I have one call flow like ...

 A               B
 <--some announcement will be played here ----->
<------200 ok for PRACK---
<-----180 ringing -----

Mu doubt comes over here can a party B send a 183 before 180 ..... I mean the 1xx response has to maintain in some sequence ?


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