Nov 16, 2007

Gatekeeper-Routed Call Signaling(GKRCS) vs Direct Endpoint Signaling

There are two types of gatekeeper call signaling methods:

Direct Endpoint Signaling
—This method directs call setup messages to the terminating gateway or endpoint.

Gatekeeper-Routed Call Signaling (GKRCS)
This method directs the call setup messages through the gatekeeper.

Note: Cisco IOS gatekeepers are Direct Endpoint signaling based and do not support GKRCS.

These diagrams illustrate the differences between these two methods:



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