[SIPForum-discussion] Early media...Use.

??? jason at polypix.com
Sat Feb 3 01:34:27 UTC 2007

early media is usually being used in case of "multimedia ring back tone".
When we place a call to somebody, we usually hear ring back tone.."ring.....ring.....".
But the ring back tone is customized. Such as music or recorded voice something like that before called party answers the call.

  ----- Original Message ----- 
  From: nithya kumar 
  To: discussion at sipforum.org 
  Sent: Saturday, February 03, 2007 1:26 AM
  Subject: [SIPForum-discussion] Early media...Use.



  Hi Sip Experts,

                Can some one explain the exact use of Early media ????? .Early media is nothing but exchange of SDP parameter Before call Begins(means Dialog begins).if so Re-invite to both Caller and callee before call starts (dialog starts) also doing SDP exchange functionality..!!!! .

  --- if so exact use of early media????

  -- early media is compulsory ?? 



  Nithya Kumar.R

  Huawei Technologies India Pvt Ltd,







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