[SIPForum-discussion] Fax call flow

[ridhuan yusof]

Folks,

I really not understand which are the correct call flow for fax..in my case
i have 2 different codec i.e. using g.711passthrough and t.38. Can u explain
for me how to differentiate those fax flow... Sometime i noticed that the
SDP carried T.38 in 2nd and 3rd INVITE msg..Any reference/standard can be
referred?

Regards,
Ridhuan
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