What is the best practice for setting the WLC v7.0 use of WLAN QoS settings to support SIP phones on a VoWLAN?
A. Configure SIP with static CAC only with SIP call snooping.
B. Configure SIP with static CAC only without SIP call snooping.
C. Configure SIP with load-based CAC only with SIP call snooping.
D. Configure SIP with load-based CAC only without SIP call snooping.
E. Configure SIP with load-based CAC and TSPEC only with SIP call snooping.