[SIPForum-discussion] P-Asserted URI

resalath ahamed resalath.ahamed at gmail.com
Fri Feb 2 23:23:02 UTC 2007

Hi siva,

P-asserted header is used when you want to send some extra number/uri other
than calling, called. Assume the SIP Invite request is with numbers, and the
Call agent wants to outpulse charge number. It does that in the P-asserted
header. The ISUP mapping in the IAM would be the parameter called "charge
number". The privacy field in the P-asserted would define the Address
presentation (ISUP).

Also this header is largely implementation dependent.

Hope this gives you some idea about it.


On 2/2/07, Siva M-Q16748 <sivam at motorola.com> wrote:
>   Hi
> Could anybody explain an use case where the P-Asserted URI can be used
> What is this header for and when does it can have multiple values ?
> Thanks
> Siva
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