Yealink SIP-T54S Administrator's Manual page 63

To connect a USB flash drive:
Insert a USB flash drive into the USB port on the phone.
1)
For SIP-T54S/T52S/T48G/T48S/T46G/T46S/T42S/T41S/T29G/T27G:
For CP860:
For CP920:
Note The USB port can also be used to connect third party wired USB headset, expansion module
EXP50, Bluetooth USB dongle BT40 or Wi-Fi USB dongle WF40. The USB flash drive, BT40 and
WF40 should be purchased separately.
Bluetooth USB dongle BT40 can only be used on the SIP-
T48G/T48S/T46G/T46S/T42S/T41S/T29G/T27G IP phones. For more information on how to use
the BT40, refer to
Wi-Fi USB dongle WF40 can only be used on the SIP-
T54S/T52S/T48G/T48S/T42S/T41S/T46G/T46S/T29G/T27G IP phones. For more information on
how to use the WF40, refer to
The third party wired USB headset and expansion module EXP50 can only be used on the SIP-
T54S/T52S IP phones.
Yealink Bluetooth USB Dongle BT40 User Guide
Yealink Wi-Fi USB Dongle WF40 User Guide
Getting Started
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