8-Port SIP Internet Telephony Gateway
VGW-800 Series
Item
Explanation
Caller ID Mode
Caller ID mode to be used for phone (FSK Bellcore, FSK ETSI,
DTMF)
Polarity Reverse before
Caller ID
Start polarity reverse to FXS port before sending 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 the first ring, after the first ring, after the first short ring)
DTMF Caller ID Start
Digit
Specify the DTMF caller ID start digit (default is D, the range is
A to D or #)
DTMF Caller ID Stop
Digit
Specify the DTMF caller ID start digit (default is C, the range is
A to D or #)
8.4 Others
Flash time and current drop generation/detection time
58