Hi Jan, Sorry missed one more thing to ask. As you have mentioned the standard can you please share me the doc for that? I am not getting from Google since the search shows too many stuff.
*BR///* *Rakesh Kumar Mohanty* On Wed, Jun 14, 2017 at 1:19 PM, Rakesh <[email protected]> wrote: > Hi All, > > @Jan Many thanks to your answer. > > Thanks all for the feedback. > > @Sampat can you let me know from which reference you have mentioned that > it will be treated as Error? Moreover, I am not asking for any Propriety > node behavior. I just want to know the communication between the Media > Controler and Media Gateway haveing the observed behavior anything relevant > standard to answer that the SDP should/must contain the xyz... media > attribute. > > > *BR///* > > *Rakesh Kumar Mohanty* > > On Sat, Jun 10, 2017 at 12:22 AM, Jan Bollen <[email protected]> > wrote: > >> Hi Rakesh, >> >> Looking at section D.2.3.1 of the ITU_T T.38 standard, I have the >> impression that at least the T38Error correction is necessary when udptl as >> transport is used, because it is _not_ marked as optional... >> >> quote: >> *UDPTL Options* >> *Maximum Buffer Size* >> * Att-field=T38FaxMaxBuffer* >> * Att-value = 1*(DIGIT)* >> * ;optional* >> *Maximum Datagram Size* >> * Att-field=T38FaxMaxDatagram* >> * Att-value = 1*(DIGIT)* >> * ;optional* >> >> >> *Error Correction Att-field=T38FaxUdpEC Att-value = t38UDPFEC | >> t38UDPRedundancy* >> *T38VendorInfo* >> * Att-field=T38VendorInfo* >> * Att-value = t35country-code SP t35extention SP manufacturer-code* >> * t35country-code = 1*(DIGIT)* >> * t35extension = 1*(DIGIT)* >> * manufacturer-code = 1*(DIGIT)* >> *;optional* >> * ;0 to 255 for t35country-code and t35extension* >> * ;t35country-code is defined in T.35 Annex A.* >> * ;t35extension is defined in T.35 Annex B* >> * ;The value of "manufacturer-code" is assigned nationally* >> unquote >> >> kind regards, >> Jan >> >> >> > _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
