![background image](http://html1.mh-extra.com/html/welltech/2424s-fxs/2424s-fxs_user-manual_955881049.webp)
49
7-3 Caller ID
The call ID stand for the phone
Figure 7-3 Caller ID setting
Caller ID Mode: Caller ID mode to be used for phone (FSK
Bellcore/FSK ETSI/DTMF)
Polarity Reverse before caller ID: start polarity reverse before
send the caller ID
Dual tone before caller ID: Send dual tone before caller ID (for FSK
ETSI use only)
Caller ID present: The timing to send the caller ID
(Before first ring/after first ring/after first short ring)
DTMF caller ID start digit: specify the DTMF caller ID start digit
(default is D, the range is A to D and #)
DTMF caller ID stop digit: specify the DTMF caller ID start digit
(default is C, the range is A to D and #)