Hi!

I can't find any reference how to signal network provided vs. user 
provided CLI in SIP. I once used the Remote-Party-ID header for this.
Using the privacy header allows to signal CLIP/CLIR, but AFAIK there is 
no support for network/user provided CLI.

I further wonder how it is possible to signal multiple CLIs within SIP. 
E.g. in Austria in the PSTN there may be 2 CLIs in the ISDN-SETUP 
message - a user provided CLI and a network provided CLI.

Any help is appreciated (references to the respective RFCs is fine)

thanks
klaus


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