Post by swaminathan.seetharamanHi All,
Yes, it is not usual to receive a PAI with Anonymous URI. The PAI would
typically not be included instead.
However, a From header can contain an "anonymous" or "unavailable" user
identity. Pl. refer to 3GPP TS 23.003 (Section 13.6 in v8.17.0) as well as
3GPP TS 29.163 (Table 3/Table 12 in v8.20.0).
Regards,
Swami.
-----Original Message-----
sip-implementors-bounces at lists.cs.columbia.edu] On Behalf Of Paul Kyzivat
Sent: Wednesday, July 02, 2014 10:40 PM
To: sip-implementors at lists.cs.columbia.edu
Subject: Re: [Sip-implementors] Anonymous URI in SIP PAI header
Is is silly and inappropriate to assert the validity of
anonymous at anonymous.invalid, because there is no such domain. Hence
nobody is in a position to make such an assertion.
But it could be appropriate to assert sip:anonymous at somedomain. This
would presumably mean: this is from *some* valid user of somedomain, but
which one is being withheld. This has more utility in domains with many
users than in those with just a few.
This has even been discussed in the ongoing work in the ietf STIR wg.
Thanks,
Paul
Post by Joel GerberIt's valid, but more than slightly silly. Why even send a PAID if it's
not going to have valid information?
Post by Joel GerberFor PPID, it still would be valid, but pretty much guaranteed that it
will be ignored.
Post by Joel GerberJoel Gerber
Network Specialist
Network Operations
Eastlink
E: Joel.Gerber at corp.eastlink.ca T: 519.786.1241
-----Original Message-----
From: sip-implementors-bounces at lists.cs.columbia.edu
[mailto:sip-implementors-bounces at lists.cs.columbia.edu] On Behalf Of
Rajesh
Sent: July-02-14 12:17 PM
To: sip-implementors at lists.cs.columbia.edu
Subject: [Sip-implementors] Anonymous URI in SIP PAI header
Hi,
May i know whether it is valid to add Anonymous URI (
anonymous at anonymous.invalid) in the PAI (P-Asserted-Identity) header
filed.
Post by Joel GerberThanks
Regards
Rajesh
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