[SIPForum-discussion] 180 ringing there is no SDP . so how we are able to listen the ring tone.(ringing).

[Saumil Jhaveri]

if 180 ringing message arrives to the GWC, then GWC can insert a MAS to play the audible ringback.

Shiying Li <jackstraw.lee at gmail.com> wrote: Ringing is the default action as soon as it receive a 180 message for the INVITE which is sent by itself.

 
 On 21 Apr 2007 04:22:04 -0000, mwilliam prusty <callwilliam90653 at rediffmail.com> wrote:    
in the 180 ringing there is no SDP i.e no media information. . so how we are able to listen the ring tone.(ringing). 



plz answer 


     
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