Jonathan Rosenberg wrote: > Terry L Anderson wrote: > > > > Up through bis-04 there was a statement in Informational 1xx section > > that stated: > > > > "If a 1xx response contains a session description, a UAC SHOULD > > cease generating local ringback tone." > > > > This was omitted beginning with bis-05 and I find no equivalent > > statement elsewhere. Was this omission intended to imply a removal of > > this behavior or have I missed where this is now stated? > > If the 1xx has SDP, it basically is an answer to the offer, which > establishes the session. So, rather than special casing this ringback > issue, we now have a general mechanism where you can establish the > session at any time during the sip signaling. I understand that, but if local generation of a ringback tone is still supported, I don't know how to predict when it is turned on and off. Are SIP UAs no longer supposed to ever generate local ringback tone or are we saying turning it off and on is now a local matter and the UA should just "do the right thing" and the other end won't know. > > > -Jonathan R. > > -- > Jonathan D. Rosenberg, Ph.D. 72 Eagle Rock Avenue > Chief Scientist First Floor > dynamicsoft East Hanover, NJ 07936 > [EMAIL PROTECTED] FAX: (973) 952-5050 > http://www.jdrosen.net PH: (973) 952-5000 > http://www.dynamicsoft.com -- ------------------------------------------------------------ Terry L Anderson mailto:[EMAIL PROTECTED] Tel:908.582.7013 Fax:908.582.6729 Lucent Technologies/INS/Voice Over IP Access Networks Rm 2B-121, 600 Mountain Av, Murray Hill, NJ 07974 http://its.lucent.com/~tla (Lucent internal) http://www.gti.net/tla
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