User Guide SIP-T22P IP Phone 
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3.  Enter the desired delay time in the Inter Digit Time (1~14s) field. 
The default delay time is 4s. 
 
4.  Click Confirm to accept the change. 
Note 
You can dial a hotline number immediately upon lifting the handset, pressing the 
Speakerphone key or pressing a line key. You can also configure a delay, where the 
phone will dial out the hotline number automatically after the specified period of time. 
To configure hotline number via phone user interface: 
1.  Press Menu->Features->Hotline. 
2.  Enter the desired number in the Hotline Number field. 
 
3.  Enter the delay time (in seconds) in the Hotline Delay field. 
The valid values range from 0 to 10. 
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.