Call setup metrics are provided for audio-only calls that use Cisco Unified Communications Manager for call setup. The Call Setup Failure metric is also available from Microsoft environments.
Values for delay to dial tone and post-dial delay are collected only from the origination endpoint.
The server returns a call termination cause code when the call fails during the setup phase. The code indicates the type of failure. For more information, see the list of call termination cause codes on the Cisco website.
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