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

[Shiying Li]

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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