[SIPForum-discussion] can any one tell me about the one way media in this scenario.

[Deepanshu Gautam]

What is your "media"? If it is media session to exchange media between A and B then i the answer would be "No". The media session is establish only after ACK. A session will be establish after initial INVITE (Which is called as early dialog) but that is not used to exchnage media.

Deepanshu Gautam       Senior R&D Engineer
Research & Std Dept - App & Service Product Line
Huawei Technologies Co. Ltd. - P.R. of China
Tel: +86 25 84676090
Fax: +86 25 84676060
Mobile: +86 138 01583544
Email: deepanshu at huawei.com
  ----- Original Message ----- 
  From: arun kumar 
  To: discussion at sipforum.org 
  Sent: Friday, January 04, 2008 4:25 PM
  Subject: [SIPForum-discussion] can any one tell me about the one way media in this scenario.


  HI Everybody,

   Here is  a Scenario , A SIP phone(A) communicates with SIP phone (B) across the proxy
          

                          (A)  INVITE/SDP-----> (B)  and after the 180 ring (B) responds with 200 OK/SDP

  by this time (A) and (B) have exchanged the SDP  so before (A) sends an ACK to (B) will there be a one way media from (A)  -- > (B) ?
                          



  -- 
  With Regards
  Arun Kumar .P 


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