[Users] SIP Message

[Nathan Hawkins]

I have thought about this for supporting CNAM lookups. (Our carrier 
doesn't supply callerid names to us.) I've been thinking of using a 
b2bua, and sending INVITE/Replaces. Problem is, I need to get Asterisk 
to send the update through to a phone. :-(

Klaus Darilion wrote:

> Hi JAvier!
>
> Do you mean to update the Display of the SIP client during a call? 
> This is not defined in SIP. According to RFC 3261 it is forbidden to 
> change the From during a a dialog. Thus you can't change the display 
> name int the dialog.
>
> Maybe you can send reINVITEs with different P-Asserted-Identity 
> headers whose Display-Name portion gets updated. But it depends on the 
> client if it will the data from the P-Asserted-Identity header of if 
> it gets updated on changes.
>
> regards
> klaus
>
> Javier Ramirez wrote:
>
>> what is the SIP message that use to change Display Name?
>> because, the xten do not actualize never.
>> Best Regards
>> Javier
>>