[Solved] Which three options are valid when Cisco Unified Customer Voice Portal comprehensive call flow and survivability service handles SIP REFER? (Choose three.) A) SIP trunk alternate destination routing (ADR) must be disabled for REFER B) An application-controlled alternative is to set an ECC variable (user.sip.refertransfer) to the value y in the Unified ICM script C) Router require on a failed SIP Refer transfer where the survivability service is not handling the SIP Refer request D) Direct Refer transfer using label works only if Send To VRU node is NOT used before the Refer E) Unified ICM sends Unified CVP a routing label with a format of rfXXXX F) Standalone Cisco Unified CVP with ICM Lookup label Life Expectancy: The average period that a person may expect to live, based on statistical averages. Mindfulness Meditation: A practice of mindfulness involving focusing the mind on the present moment without judgment, often used as a stress reduction technique. Optimism: The tendency to expect the best possible outcome or to dwell on the most hopeful aspects of a situation. Serotonin Activity: Refers to the actions and effects of serotonin, a key neurotransmitter, in the brain which impacts mood, feelings of well-being, and happiness.