Yealink SIP-T48G Administrator's Manual page 161

Procedure
Off hook hot line dialing can be configured using the configuration files.
Configuration File
Details of Configuration Parameters:
Parameter
account.X.auto_dial_enable
Description:
Enables or disables the IP phone to first dial out a pre-configured number when a
user presses the speakerphone key or desired line key, dials out a call or off hook the
phone using account X.
0-Disabled
1-Enabled
If it is set to 1(Enabled), the phone will first dial out the pre-configured number
(configured by the parameter "account.X.auto_dial_num") when a user presses the
speakerphone key or desired line key, dials out a call or off hook the phone using
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).
Web User Interface:
None
Phone User Interface:
None
account.X.auto_dial_num
<y0000000000xx>.cfg
String within 32 characters
Configuring Basic Features
Configure off hook hot line
dialing feature.
Parameter:
account.X.auto_dial_enable
Specify the number that the
phone first dials out.
Parameter:
account.X.auto_dial_num
Permitted Values
0 or 1
Default
0
Blank
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