Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series IP Phones
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Line key type is Group Pickup
Line key type is Call Park (park
successfully/call park idle state)
Line key type is Call Park (call park
ringing state)
Line key type is Retrieve Park
Line key type is Intercom (intercom
idle state)
Line key type is Intercom (intercom
ringing state)
Line key type is Intercom (intercom
talking state)
Line key type is Intercom (intercom
callout state)
Line key type is Intercom (intercom
failed state)