B2BUA calls
The B2BUA calls page (Status > Calls > Calls or Status > Calls > History, then click View for a
particular B2BUA call) provides overview information about a call routed through the B2BUA.
Calls are routed through the B2BUA if:
n a media encryption policy (any encryption setting other than Auto) has been applied to the call
n ICE messaging support has been triggered
n the Microsoft Lync B2BUA service is enabled and the call has been routed through the To Microsoft Lync
server via B2BUA neighbor zone
Note that for Microsoft Lync B2BUA calls, you can click the Corresponding VCS call link to see details of
the leg passing through the VCS.
Viewing B2BUA call media details
The B2BUA call media page (accessed from the B2BUA calls page by clicking View media statistics for
this call) shows information about the media channels (audio and video) that made up the call passing
through the B2BUA. For calls using the Microsoft Lync B2BUA, this comprises legs between the VCS, the
Lync server and, if applicable, the transcoder.
Cisco VCS Administrator Guide (X8.1.1) Page 332 of 507
Overview and status information
B2BUA calls
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