[Sip-implementors] P-Asserted-Identity

[vimal srivastava]

Hi,
is it possible to have multiple P-Asserted-Identity headers in a sip
message? ( not one sip and one tel, but multiple sip )
thx
v.

[hema ramesh]

Vimal,
To my knowledge, you can have at the max of 2 P-Asserted-identities. And
in that one should be sip and the other should be tel as per RFC 3325.
--
Regards,
Hema Ramesh.

Post by vimal srivastava
Hi,
is it possible to have multiple P-Asserted-Identity headers in a sip
message? ( not one sip and one tel, but multiple sip )
thx
v.
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[amarendra.samal]

Hi,

As per the RFC 3325 we can send 2 PAI headers (1- MUST be sip/sips and
other MUST be tel).
But you cannot send send more than one PAI headrs.

Refer to section "9.1 The P-Asserted-Identity Header" of RFC 3325



Rgds,
Amar
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you'll never be the "Best."



"vimal
srivastava"
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P-Asserted-Identity

01/10/2006 12:36
PM







Hi,
is it possible to have multiple P-Asserted-Identity headers in a sip
message? ( not one sip and one tel, but multiple sip )
thx
v.


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[Harpreet Juneja]

Hi All,

This field is used between trusted intermediaries. It is used to assert
the identity of a user agent that has been authenticated. The
P-Asserted-Identity is a "Reliable Calling Party Info" as opposed to a

From header value which is unverified.

If you are receiving a request from a proxy whom you do not trust, then
you should remove this header or simply not use the same.

Q: Having 2 P-Asserted-Identity?
Doubt: Why should that ever happen?

Best regards,
Harpreet

Hi,
is it possible to have multiple P-Asserted-Identity headers in a sip
message? ( not one sip and one tel, but multiple sip )
thx
v.
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Sip-implementors mailing list
Sip-implementors at cs.columbia.edu
https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors

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[Harpreet Juneja]

Adding more on the same with respect to IMS network


The P-CSCF after validating the calling party, forwards the INVITE
request to the home network. It replaces the P-Preferred-Identity with
a P-Asserted-Identity header field or in other cases (based on 3GPP
standards) the P-CSCF removes the P-Preferred-Identity header field and
inserts a P-Asserted-Identity that contains a value the P-CSCF
considers to be one of the valid identities of the user. If there was
no P-Preferred-Identity header, then the P-CSCF chooses a default
identity and inserts it in a P-Asserted-identity header field.

In any case the SIP request that the P-CSCF forwards always includes a
P-Asserted-Identity header field that includes an authenticated Public
User Identity value.

Best regards,
Harpreet

Post by vimal srivastava
Hi,
is it possible to have multiple P-Asserted-Identity headers in a sip
message? ( not one sip and one tel, but multiple sip )
thx
v.
_______________________________________________
Sip-implementors mailing list
Sip-implementors at cs.columbia.edu
https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors

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