I was discussing a potential use of Call-Info recently, and a question
came up of whether the "purpose" parameter is mandatory. I can find no
text which says it is, but using the header without it makes little/no
sense to me.
- Does anyone have an opinion on this?
- Is anybody out there using Call-Info?
- If so, are you using a "purpose" parameter?
- If so, are you using one of the purpose parameter values
defined in 3261, or something else?
Thanks,
Paul
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