Actually, it's not just ISUP. It's also QSIG. But I agree, INFO was supposed to be be used only for tunnelling legacy PSTN protocols between Media Gateway Controllers.
> -----Original Message----- > From: Eric Burger [mailto:[EMAIL PROTECTED] > Sent: Sunday, June 17, 2007 02:20 > To: [email protected] > Subject: [Sip] INFO and ISUP > > I cringe every time someone says, "The only acceptable use > for INFO is for ISUP." ALL of the arguments that apply to > "One cannot use INFO for foo" > apply to why "One cannot use INFO for ISUP." > > The INFO method is NOT to "carry [arbitrary] mid-session > information between SIP user agents" as RFC 2976 posits. The > one and only one reason one can use INFO for ISUP today is > because the method is ONLY defined for ISUP. > > Said another way: the identifier 0x49 0x4E 0x46 0x4F has > *NOTHING* to do with INFO. It would have much better been > called 0x4E 0x53 0x55 0x50 (ISUP). > > For legacy reasons, and because we really are talking about a > bunch of bits, not English, I would not offer we change the > name of the method. However, I would make it clear that the > method is NOT the general purpose method described in RFC 2976. > > > Notice: This email message, together with any attachments, > may contain information of BEA Systems, Inc., its > subsidiaries and affiliated entities, that may be > confidential, proprietary, copyrighted and/or legally > privileged, and is intended solely for the use of the > individual or entity named in this message. If you are not > the intended recipient, and have received this message in > error, please immediately return this by email and then delete it. > > > _______________________________________________ > Sip mailing list https://www1.ietf.org/mailman/listinfo/sip > This list is for NEW development of the core SIP Protocol Use > [EMAIL PROTECTED] for questions on current sip > Use [EMAIL PROTECTED] for new developments on the application of sip > _______________________________________________ Sip mailing list https://www1.ietf.org/mailman/listinfo/sip This list is for NEW development of the core SIP Protocol Use [EMAIL PROTECTED] for questions on current sip Use [EMAIL PROTECTED] for new developments on the application of sip
