Hi,
Where can I find information on signalling the UUI Information Element in SIP?
I want to implement the following scenario;
1. The SIP AS adds UUI into the SIP INVITE message and sends it to the MGCF.
2. The MGCF performs interworking between the IMS and the CS.
The MGCF just graps the UUS1 from the SIP INVITE message and maps into
proper ISUP UUI parameter.
3. Resulting ISUP message contains UUI.
Some of RFC and draft menitoned the way forward.
For example,
draft-johnston-sipping-cc-uui-01 describes and recommands to use User-to-User
header.
But it's still draft. As the recommandation describes, a new SIP header field
will be defined and
move to a SIP working group document?
Or Is there any standard way?
BR,
Anthony Song
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