Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
566
T57W
T54W
T48U/S/-
G
T46U/S/-
G
T42-
U/
T42-
S/
T41S
T42-
G/
T41-
P
T40P/-
G
T29G
T53W/T-
53
/T43U
/T27G
CP92-
0
T23P/T23-
G/
T21(P) E2
T19
(P)
E2
Description
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Line key type is
BLF (BLF hold
state)
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Line key type is
BLF/BLF List
(BLF/BLF list cal-
lout state)
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Line key type is
BLF/BLF List
(BLF/BLF list
failed state)
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Line key type is
BLF List (BLF list
call park state)
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Line key type is
Voice Mail
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Line key type is
Direct Pickup
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Line key type is
Group Pickup
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Line key type is
Call Park/XML
Park (park suc-
cessfully/call park
idle state)
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Line key type is
Call Park/XML
Park (call park
ringing state)
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Park failed
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Line key type is
Retrieve Park
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Line key type is
Intercom (inter-
com idle state)
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Line key type is
Intercom (inter-
com ringing
state)
Talking
Talking
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Line key type is
Intercom (inter-
com talking state)
Callout
Callout
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Line key type is
Intercom (inter-
com callout state)