[asterisk-dev] Passing out-of-band data in PRI call setup?

[Kevin P. Fleming]

Tony Mountifield wrote:

> *** Why is SUPPORT_USERUSER not defined by default?
> If USERUSERINFO is not set, then the User-User IE is not sent anyway,
> so surely having it on by default doesn't hurt anything.

For safety's sake, mostly. It is possible that it could be received on
an incoming call (without your knowledge) and then passed back out an
outgoing call (again without your knowledge). If you aren't prepared to
deal with that, it's safer for it to be off.

-- 
Kevin P. Fleming
Director of Software Technologies
Digium, Inc. - "The Genuine Asterisk Experience" (TM)