Yes, but don't elements of the MIME body get copied into the SIP responses by the UAS?
Javi Gallart <[email protected]> wrote: >Hi > >this is really a common practice among carriers. Actually the SS7 case >is easier because, unlike in SIP with the To, From..., in a regular >ISUP >call the details of the initiating call are not sent in the backwards >direction: an ANM message indicating the call was answered doesn't >carry >the numbers in the IAM that initiates the call. So it's a matter of >billing properly and accurately. > >Javi >On 03/22/2013 03:27 PM, Alex Balashov wrote: >> Yes, but what happens when those modifications, or responses based on >those modifications, are returned to the sender? Much as with most SIP >headers, the sending SS7 gateway can well say, "I didn't send that." >> >> >> Javi Gallart <[email protected]> wrote: >> >>> Thanks Alex >>> >>> the first thing that came to my mind is performing some number >>> manipulation. Imagine kamailio acting as a router for several >carriers. >>> >>> One of them demands an international NOA with a weird prefix, >whereas >>> the other one, for the same destination, requires a pound (#) at the >>> end, and so on. I agree with you in disliking idea of being too >>> "invasive" in the body of the sip message, but it's something >already >>> doable for instance with SDP. >>> >>> Javi >>> On 03/22/2013 02:50 PM, Alex Balashov wrote: >>>> Hi Javi, >>>> >>>> The first question to ask is: if Kamailio could understand ISUP >>>> parameters, what would it do with them? >>>> >>>> If the answer is "not a whole lot", chances are it is something >that >>>> only needs to be understood by the endpoints, and which Kamailio >>> would >>>> continue to be agnostic to, as it is now. Kamailio is, above all >>>> else, a message relay. >>>> >>>> -- Alex >>>> >>>> >>> >>> _______________________________________________ >>> sr-dev mailing list >>> [email protected] >>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev > > >_______________________________________________ >sr-dev mailing list >[email protected] >http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev -- Sent from my mobile, and thus lacking in the refinement one might expect from a fully-fledged keyboard. Alex Balashov - Principal Evariste Systems LLC 235 E Ponce de Leon Ave Suite 106 Decatur, GA 30030 United States Tel: +1-678-954-0670 Web: http://www.evaristesys.com/, http://www.alexbalashov.com/ _______________________________________________ sr-dev mailing list [email protected] http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-dev
