Wireless headset adapter EHS36 should be purchased separately. For more information on how
to use the EHS36 on the IP phone, refer to
Yealink EHS36 User Guide.
The EXT port on SIP-T48G/T48S/T46G/T46S IP phones can also be used to connect the expansion
module EXP40. The EXT port on SIP-T29G/T27P/T27G IP phones can also be used to connect the
expansion module EXP20. For more information on how to connect the EXP40/EXP20, refer to
Yealink EXP-specific user guide
.