DBL Technology EP-636 User Manual
5.5.1 Prefix Dial Timer
Prefix dial timer is the time limit of dialing the prefix number. The default is 30 seconds.
5.5.2 F1 Key Redefine
There are three hold key define modes as below.
5.5.2.1 Prefix
Prefix Num refers to the first several numbers of the phone number. For example, if you define it
to 123. When you dial a phone number as 12345, you only need to press the F1 key and then dial
the back two numbers 45.
Calling Function Num refers to the star command or a phone number you predefine to use in the
phone operation. For example, you define it to *42, which you define for call transfer. When you
are in the process of a call, press the F1 key and you will send the transfer command.
5.5.2.2 Speed Dial
Speed Dial Num is the number for speed dial. If you define it to 12345, when you want to make a
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