> SIP defines the "P-Early-Media" header to control the forward/backward > early media. Could any of you guys help me understand the use case? > I am not able to get the use case. > > Why servers have policy to block/control the early media communication?
Hi, See sections 1 and 4. The unstated use case is billing. Some devices want to communicate using early media to avoid billing situation by not answering the call or reducing the time within an answered call; some carriers want to prevent/control such behavior. -brett _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
