Ranjit Avasarala wrote:
>
> maddr is a SDP parameter. So it will be done by SDP.
No, that is not true. Maddr is a via parameter (and a URI parameter).
When a client sends a multicast address, it adds an maddr parameter to
its via header. This is described in Section 18.1.1 of bis-09.
Typically, the R-URI would also contain a URI that has an maddr
parameter (which is how the proxy/uac knew to send the request multicast
in the first place), but thats not necessary if the proxy knew to do so
through some other means.
> No TTL cannot be greater than 1 for multicast
"cannot" is ill-defined. It SHOULD NOT, which means it ought to be 1
unless the proxy has a darn good reason to use a different value.
-Jonathan R.
--
Jonathan D. Rosenberg, Ph.D. 72 Eagle Rock Avenue
Chief Scientist First Floor
dynamicsoft East Hanover, NJ 07936
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