Thank you all for the feedback. This confirms my initial thought- that FROM is probably the last thing that should be used.
On Fri, Sep 21, 2018 at 10:41 AM Pete Eisengrein <[email protected]> wrote: > As mentioned, the P-Asserted-Id should do the trick. I can't find an RFC > for it, nor where I saw this previously, but there is an order of > precedence for the headers. I don't remember them all but I do know that > > P-Asserted-Identity > Diversion > From > > The other headers fit in there somewhere too, but I think PAI is really > what you want. > > On Thu, Sep 20, 2018 at 4:38 PM Peter Crawford <[email protected]> wrote: > >> Hello voice-ops: >> >> Enterprise admin here. >> >> We just converted from ISDN to SIP (and changed providers) and we're >> seeing some undesirable billing behavior. I'm hoping I can get some >> objective feedback from different providers. >> >> If a call comes into our system, and we forward it off-net using the SIP >> trunks (using either "standard" call forwarding or a call >> forking/paralleling feature like Avaya's EC500 or Cisco's Single Number >> Reach), we send the call with the SIP FROM header of the original caller >> (which is desirable to preserve callerID). We also include a Diversion >> Header with one of our phone numbers (the original destination of the call). >> >> We're being billed based on the *original* calling number, which >> sometimes results in long distance charges, even if this leg of the call is >> local to us. This is particularly onerous if the inbound call is >> international! >> >> So, the question is- what *should* we be billed on: FROM or DIVERSION. >> >> At one point, the provider indicated that P-Charge-Info was supported, >> but now backing away from that. >> >> Do we have any recourse (technical or otherwise)? >> >> Thanks. >> >> _______________________________________________ >> VoiceOps mailing list >> [email protected] >> https://puck.nether.net/mailman/listinfo/voiceops >> >
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