Yealink SIP-T21 E2 User Manual page 152

User Guide for the SIP-T21(P) E2 IP Phone
To retrieve a call from another shared phone:
If there is an active call between phone A and phone C, do the following:
1. Long press the desired line key on phone B.
The Cancel, CallPull, NewCall and Barge In soft keys appear on the LCD screen of
phone B.
2. Press the CallPull soft key.
The active call has been retrieved from the phone A successfully.
If there is a held call between phone A and phone C, do the following:
1. Long press the desired line key on phone B.
The Cancel, CallPull, NewCall and Retrieve soft keys appear on the LCD screen of
phone B.
2. Press the CallPull soft key.
The held call has been retrieved from the phone A successfully.
BLA allows users to share a SIP line on two or more IP phones. Users can monitor the
specific extension (BLA number) for status changes on each IP phone. To use this feature,
a BLA group should be pre-configured on the server and one of them is specified as a
BLA number. BLA depends on support from a SIP server.
In the following figure, the first line is private and the second line is shared:
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