Yealink SIP-T21 E2 User Manual page 69

Direct Pickup
You can use this key feature to answer someone else's incoming call on the phone.
Dependencies:
Usage: Press the DSS key on your phone when the target phone number receives an
incoming call. The call is then answered on your phone.
Group Pickup
You can use this key feature to answer incoming calls in a group that is associated with
their own group.
Dependencies:
Usage: Press the DSS key on your phone when a phone number in the group receives
an incoming call. The call is answered on your phone.
DTMF
You can use this key feature to send the specification of arbitrary key sequences via
DTMF .
Dependencies:
Usage: Press the DSS key during an active call to send the key sequence specified in the
Value field.
Note
DTMF sequence can only contain "0-9", "*", "#".
Prefix
You can use this key feature to add a specified prefix number before the dialed number.
Dependencies:
Type (Key Event)
Key Type (DPickup)
Account ID (the account this feature will be applied to)
Label (key label displayed on the LCD screen)
Value (the directed pickup code followed by the target phone number)
Type (Key Event)
Key Type (GPickup)
Account ID (the account this feature will be applied to)
Label (key label displayed on the LCD screen)
Value (the group pickup feature code)
Type (Key Event)
Key Type (DTMF)
Label (key label displayed on the LCD screen)
Value (DTMF sequence)
Type (Key Event)
Key Type (Prefix)
Label (key label displayed on the LCD screen)
Value (the prefix number)
Customizing Your Phone
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