I don’t think so, because the examples in ATIS-1000074-E specifically show To: and From: headers with a leading plus:
To: <sip:+12155551213@tel.example1.net>
From: "Alice"<sip:+12155551212@tel.example2.net>;tag=614bdb40
I think the necessity is only to logically match the values there.
|
Ben Kaufman |
From: sr-users <sr-users-bounces@lists.kamailio.org>
On Behalf Of David Villasmil
Sent: Wednesday, November 3, 2021 6:43 PM
To: Kamailio (SER) - Users Mailing List <sr-users@lists.kamailio.org>
Subject: Re: [SR-Users] STIR/SHAKEN, is a number format mandatory?
then it effectively mean you MUST remove it from the headers, since the TNs in the payload must match the TNs in the headers for the identity to be valid.
On Wed, Nov 3, 2021 at 11:12 PM Ben Kaufman <bkaufman@nexvortex.com> wrote:
According to ATIS-1000074-E
“ the term "valid telephone number" refers to a telephone number that is a nationally specific service number (e.g., 611, 911), or a telephone number that can be converted into a globally routable E.164 number, as specified in section 8.3 of [RFC 8224].”
From the RFC (https://datatracker.ietf.org/doc/html/rfc8224#section-8.3)
Implementations MUST drop any "+"s, internal dashes, parentheses,
or other non-numeric characters, except for the "#" or "*" keys
used in some special service numbers (typically, these will appear
only in the To header field value). This MUST result in an ASCII
string limited to "#", "*", and digits without whitespace or
visual separators.
In looking at the examples in ATIS-1000074-E, this doesn’t mean that the + should be removed from the other SIP headers (To:, From:, etc), but apparently it shouldn’t be in the jwt of the Identity header.
Ben Kaufman
From: sr-users <sr-users-bounces@lists.kamailio.org> On Behalf Of David Villasmil
Sent: Wednesday, November 3, 2021 5:32 PM
To: Kamailio (SER) - Users Mailing List <sr-users@lists.kamailio.org>
Subject: [SR-Users] STIR/SHAKEN, is a number format mandatory?
Hello guys,
I'm getting failed by my provider because I'm sending to them with +1 both on the headers and on the payload. My understanding is there is no mandatory format, or is there?
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