Yealink SIP-T54S - Page 128

User Guide for the SIP-T54S Media IP Phone
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3. Enter the delay time in the Hotline Delay field.
The valid values range from 0 to 10 (seconds) and the default value is “4”.
4. Press the Save soft key to accept the change or the Back soft key to cancel.
Hotline is configurable via web user interface at the path Features->General Information.