Q: What is the use of "Allow Idle VOIP Client " parameter in the CAC Profile ?
A: This knob is introduced from 6.4.4.6.
It is disabled by default.
(Aruba) #show wlan voip-cac-profile default
VoIP Call Admission Control profile "default"
---------------------------------------------
Parameter Value
--------- -----
VoIP Call Admission Control Disabled
VoIP Bandwidth based CAC Disabled
VoIP Call Capacity 10
VoIP Bandwidth Capacity (kbps) 2000
VoIP Call Handoff Reservation 20 %
VoIP Send SIP 100 Trying Disabled
VoIP Disconnect Extra Call Disabled
VOIP TSPEC Enforcement Disabled
VOIP TSPEC Enforcement Period 1 sec
VoIP Drop SIP Invite and send status code (client) 486
VoIP Drop SIP Invite and send status code (server) 486
Allow Idle VOIP Client Disabled
if enabled, it allows an idle phone/client to associate even after CAC limit is reached, but the phone/client won't be able to make calls till CAC limit is beyond the threshold.