Data bearer call answer control, Ringing indications – Nortel Networks CTA 500dm User Manual
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AT commands 51
P0873832 Issue 05
CTA 500
dm On Line Guide
Data Bearer Call Answer Control
The Data Bearer Call Answer Control Command
%A95=value
allows the CTA 500dm to accept or reject incoming calls received
over the data bearer service.
The following table shows the values for data bearer service calls
control.
Result Codes
OK Appears when the selected value is understood.
ERROR Appears when the selected value is not recognized or is not
supported.
Ringing Indications
When the CTA 500dm detects an incoming call that it is allowed to
accept, the RI pin is asserted (see
ÒSerial Interface Control LinesÓ on
for more information), and a text string is provided to the
serial interface. The text string is repeated every 6 seconds until the
call is answered (manually or automatically), disconnected by the
caller, or if the CTA 500dm is reset (such as assertion of DTR if &D
is 2 or 3).
Result Code
RING Appears when an incoming call is received.
Value
Data Bearer Service Calls
0
rejected (default)
1
accepted