Yealink SIP-T54S Administrator's Manual page 356

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
Example:
features.hotline_number = 1234
Note: Line key is not applicable to SIP-T19(P) E2, CP860 and CP920 IP phones; handset and
Speakerphone key are not applicable to CP860 and CP920 IP phones; off-hook key is only
applicable to CP860 and CP920 IP phones.
Web User Interface:
Features->General Information->Hotline Number
Phone User Interface:
Menu->Features->Others->Hot Line->Hotline Number
features.hotline_delay
Description:
Configures the waiting time (in seconds) for the IP phone to automatically dial out the
hotline number.
If it is set to 0 (0s), the IP phone will immediately dial out the preconfigured hotline number
when you lift the handset, press the Speakerphone/off-hook key or press the line key.
If it is set to a value greater than 0, the IP phone will wait the designated seconds before
dialing out the predefined hotline number when you lift the handset, press the
Speakerphone key/off-hook or press the line key.
Note: Line key is not applicable to SIP-T19(P) E2, CP860 and CP920 IP phones; handset and
Speakerphone key are not applicable to CP860 and and CP920 IP phones; off-hook key is
only applicable to CP860 and and CP920 IP phones.
Web User Interface:
Features->General Information->Hotline Delay(0~10s)
Phone User Interface:
Menu->Features->Others->Hot Line->Hotline Delay
To configure hotline via web user interface:
Click on Features->General Information.
1.
Enter the hotline number in the Hotline Number field.
2.
330
Parameters Permitted Values
Integer from 0 to 10
Default
4