equal to 2.
If the caller ID is sending before the first ring, this
parameter can be set to greater or equal to 1.
After the ring count was reached, 25xx will answer the call and
play voice greeting file if 2 stage dialing is selected. Or, make the
VOIP call out directly if hot line mode and number is selected.
Caller ID Mode: The detected Caller ID specification for the line based
on selected country list or FSK or DTMF.
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