Environment : This article applies to Aruba Mobility Controllers part of VOIP deployments.
Call Admission Control (CAC) statistics are required only when “voip-cac-profile” is configured and enabled under virtual-ap profile of the ap-group”. The VoIP CAC profile prevents any single AP from becoming congested with voice calls.
And below are the details of SIP status codes:
480: Temporary Unavailable
- 486: Busy Here
- 503: Service Unavailable