Yealink SIP-T48G Administrator's Manual page 339

Configuring Advanced Features
Parameters Permitted Values Default
X ranges from 1 to 12 (for SIP-T42G).
X ranges from 1 to 6 (for SIP-T41P/T27P).
X ranges from 1 to 3 (for SIP-T23P/G).
X ranges from 1 to 2 (for SIP-T21(P) E2).
Example:
account.1.blf_list_barge_in_code = *33
Web User Interface:
Account->Advanced->BLF List Barge In Code
Phone User Interface:
None
String within 32
account.X.blf_list_retrieve_call_parked_code Blank
characters
Description:
Configures the call park retrieve code for account X.
X ranges from 1 to 16 (for SIP-T48G/T46G/T29G).
X ranges from 1 to 12 (for SIP-T42G).
X ranges from 1 to 6 (for SIP-T41P/T27P).
X ranges from 1 to 3 (for SIP-T23P/G).
X ranges from 1 to 2 (for SIP-T21(P) E2).
Example:
account.1.blf_list_retrieve_call_parked_code = *88
Web User Interface:
Account->Advanced->BLF List Retrieve Call Parked Code
Phone User Interface:
None
phone_setting.auto_blf_list_enable 0 or 1 1
Description:
Enables or disables the IP phone to automatically configure the BLF list keys.
0-Disabled
1-Enabled
Web User Interface:
None
Phone User Interface:
325