<div dir="ltr"><br><div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, Apr 10, 2014 at 10:45 AM, Dahlberg, David <span dir="ltr"><<a href="mailto:david.dahlberg@fkie.fraunhofer.de" target="_blank">david.dahlberg@fkie.fraunhofer.de</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Am Mittwoch, den 09.04.2014, 18:42 -0500 schrieb Brian West:<br>
<div class=""><br>
> It it does then we need an NDLB flag (for those not in the know NDLB is No Device Left Behind)<br>
<br>
</div>Sorry, considering that /any/ header that are not recognised by a<br>
particular software solution and that does not begin with "X-" or<br>
"P-" to be of any use is what IMHO requires a NDLB flag.<br>
<br>
X-Headers are a RFC 822 (from 1982!) legacy. By now, considering only<br>
"X-" headers as potentially meaningful would require FS to implement<br>
/every possible/ standardized extension to the SIP RFCs, which is<br>
virtually impossible today. E.g. I am quite certain, that you do /not/<br>
implement RFC 4412 ("Resource-Priority") nor was FS able to support a<br>
custom extension with the necessary data do process it.<br>
<br>
For that reason (or more for the problem of migrating a "well known"<br>
X-Header to a "standards" header) the IETF finally deprecated the usage<br>
of "X-" and "P-" prefixes in RFC 6648/BCP 178 and RFC 5727/BCP 67.<br>
<br>
Until recently one could write but not read non-X-, non-P- and not known<br>
headers. Fortunately, now there seems to be a patch (FS-6075) in HEAD,<br>
which allows the parsing of arbitrary headers at least for SIP invites.<br>
So please have a look at the most recent git version of FS, Ido.<br></blockquote><div><br></div><div>I have found that RFC as well (that;s why I haven't talked first with the provider), but now I have talked with the provider, and they "fixed" it for me:<br>
<br>707649a6-3901-472c-9962-7008fa068289 variable_sip_h_X-Gateway: [10] <br>707649a6-3901-472c-9962-7008fa068289 variable_sip_h_X-Price: [0.5]<br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<br>
<br>
Cheers,<br>
David<br></blockquote><div><br></div><div>Thank you :)<br><br></div><div>Ido<br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<span class=""><font color="#888888"><br>
--<br>
David Dahlberg<br>
<br>
Fraunhofer FKIE, Dept. Communication Systems (KOM) | Tel: <a href="tel:%2B49-228-9435-845" value="+492289435845">+49-228-9435-845</a><br>
Fraunhoferstr. 20, 53343 Wachtberg, Germany | Fax: <a href="tel:%2B49-228-856277" value="+49228856277">+49-228-856277</a><br>
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