[VoiceOps] Billing of Forwarded Calls
abalashov at evaristesys.com
Wed Nov 11 16:49:44 EST 2009
Lee Riemer wrote:
> What's wrong with authenticating BYEs and CANCELs? I see them as just
> as important as an INVITE. Anyone can some around, sniff the dialog and
> spoof a BYE or CANCEL.
They'd have to spoof a Call-ID, From and To tags, correct CSeqs, any
loose-routing parameters present in the Route and/or Record-Route
headers, and the Route header itself.
I suppose it *could* be done... but...
Alex Balashov - Principal
Web : http://www.evaristesys.com/
Tel : (+1) (678) 954-0670
Direct : (+1) (678) 954-0671
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