Yealink SIP-T2 Series

Configuring Basic Features
213
The number of the DSS keys associated with an account must meet the following:
Phone Model
Line Key
Ext Key (with expansion
modules connected)
SIP-T48G/S
<=29
<=240
SIP-T46G/S
<=27
<=240
SIP-T29G
<=27
<=228
SIP-T27P/G
<=21
<=228
SIP-T42G/T42S/T41P/T41S
<=15
/
SIP-T40P/T40G/T23P/T23G
<=3
/
SIP-T21(P) E2
<=2
/
SIP-T19(P) E2
/
/
The following shows two line keys associated with a registered account 101:
When you customize multiple line keys to be associated with an account, you can configure the
IP phone whether to transfer a call or set up a conference call using a new line key.
Procedure
Multiple line keys per account can be configured using the following methods.
Central Provisioning
(Configuration File)
<y0000000000xx>.cfg
Configure auto linekeys.
Parameter:
features.auto_linekeys.enable
Configure whether to transfer a call using
a new line key on a phone basis.
Parameter:
phone_setting.call_appearance.transfer_vi
a_new_linekey
Configure whether to set up a conference
call using a new line key on a phone basis.