Interaction between Qout scheduler and Integration engine

Hello,
I would like to understand more about the XI 3 architecture regarding the place of qRFC. If I understood right, depending on the QOS, the qOUT scheduler is used to send XML documents comming from the Integration Engine. The qOUT scheduler is able to process and queue rfc calls using traditional RFC ports (for example in case of CIF for APO). I imagine that in the case of XML message shipping, the qOUT scheduler is called by the Integration Engine messaging logic layer. But then, I don't understand how outgoing SOAP calls occure. Are the queued RFC calls in destination of the local SOAP framework which uses the ICM to talk SOAP with the partner?
Thanks for your lights,
Christian.

Thanks Holger for youor quick and precise answer,
You mean, that the connection between the adapter framework and the integration engine is pure rfc based and not Soap-based XI protocol ?
Is XI protocol used between the two engines each time no qRFC is envolved and in this case, the Abap-based Soap framework and the ICM are used by the integration logic layer of the central integration engine to communicate with the adapter engine ?
Thanks,
Christian.

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Hello Ramu,
Go through this link..
http://help.sap.com/saphelp_nw04/helpdata/en/e1/0c733cb7d61952e10000000a11405a/frameset.htm
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Revision: 10248
Author:   [email protected]
Date:     2009-09-14 16:45:00 -0700 (Mon, 14 Sep 2009)
Log Message:
Fix a few bugs related to the interaction between IPlayable, IPausable, and ITemporal within a SerialElement, specifically around ensuring that the transition from child to child happens in the various permutations of these traits. Introduce a helper class for managing this logic, as it can happen in both CompositePlayableTrait and CompositeTemporalTrait. This lays the groundwork for a MediaElement which only implements IPlayable (e.g. to ping a tracking server) working within a serial composition. Beef up unit tests so that these cases don't get broken in the future.
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Interaction between Qout scheduler and Integration engine

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