Toshihiko Maeda <[EMAIL PROTECTED]> writes:
>#1) I would like to know how to determine the source port by SDP negotiation.
Source port (nor address) is not relevant to RTP, it can be
changed in middle of session, or set to 0.
>In this case, how is each source port determined? In addition, are they
>able to specify the port clearly with SDP description?
Nope. Where you need this information? Depending on your actual
needs, you might want to look at comedia or stun.
>#2) How is information of 'packetization interval' exchanged in SDP? I
>guess 'a=ptime' attribute can be used for it. Is this correct understanding?
>If correct, then, how should the callee determine it if there is no
>'a=ptime' in description?
The default maximum value is 200 ms.
Pekka
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