[Spce-user] From and P-Asserted-Identity when authenticating

[Matthew Ogden]

Is there way to change the From header keeps the sip at cli the same way it
does when not authenticating?

Is the way its being done by sip:provider CE, considered the normal
convention?







>From http://sipwise.com/doc/2.5/spce/ar01s04.html





Under point 4.4.4.1

if you do NOT authenticate against a peer host, then the caller CLI is put
into theFrom and P-Asserted-Identity headers, e.g. "+4312345" <
sip:+4312345 at your-domain.com>. If you DO authenticate, then the From header
is "+4312345" <sip:your_peer_auth_user at your_peer_auth_realm> and the
P-Asserted-Identity header is as usual like <sip:+4312345 at your-domain.com>.
So for presenting the correct CLI in *CLIP no screening* scenarios, your
peering provider needs to extract the correct user either from the From
Display-Name or from the P-Asserted-Identity URI-User.

[image: [Tip]]

You will notice that these three preferences are also shown in the *Subscriber
Preferences* for each subscriber. There you can override the authentication
details for all peer host if needed, e.g. if every user authenticates with
his own separate credentials at your peering provider.
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