Neighbors in directed mode

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Hello!

I know that this topic was discussed already (a bit) but I still don't
know how to solve the question with neighbors in directed mode.

What is the problem?
The message flow when call comes from a neighbor which runs in directed
mode (if I'm wrong, please let somebody correct me:)  (dm=directed mode,
rm=routed mode):
origGW-->remoteGK[dm]00-->myGK[rm]---->GW
ARQ---------->
	    LRQ------------->		
	     <-------------LCF
 <----------ACF	
Setup ---------------------->
			????????

In this case myGK does not know about the originator of the Setup
message, so it will drop the call. I cannot even authorize the call
because the originator gateway is not known.
In the previouse discussion there was a recommendation to store some
information into LCF sent back to remoteGK which should/would appear in
the following Setup, thus the call can be paired with authorized calls.

Could anybody tell me if there is such thing and if yes, how
interopereable is it.
Right now we have just a very simple solution: to requere partners to
use GK in routed mode or to send calls as GW-GW (Setup).

Any hint?

Regards,
	Tamas



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