Regency
5000
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Yealink
T22P
IP
User
Guide.Docx
V1.00.0001
7
Calling
Line
ID
Delivery
Blocking
per
Call
*67
Calling
Line
ID
Delivery
per
Call
*65
Call
Return
*69
Call
Waiting
Persistent
Activation
*43
Call
Waiting
Persistent
Deactivation
#43
Cancel
Call
Waiting
*70
Clear
Voice
Message
Waiting
Indicator
*99
Customer
Originated
Trace
*57
Directed
Call
Pickup
*97
Directed
Call
Pickup
with
Barge
‐
in
*33
Direct
Voice
Transfer
*55
Last
Number
Redial
*66
Per
Call
Account
Code
*71
Push
to
Talk
*50
Speed
Dial
100
*75
Speed
Dial
8
*74