Multi-Tech MultiModem EDGE Reference Manual page 41

Example
Usage of "URC/Ringline" and "URC/Datamode/Ringline":
AT+CSCS="GSM"
OK
AT^SCFG? Query all parameters.
...
^SCFG:"URC/Datamode/Ringline","off"
^SCFG:"URC/Ringline","local"
...
OK
AT^SCFG="URC/Datamode/Ringline","on"
^SCFG:"URC/Datamode/Ringline","on"
OK
AT^SCFG="URC/Ringline","asc0"
^SCFG:"URC/Ringline","asc0"
OK
AT^SCFG="URC/Datamode/Ringline","off"
^SCFG:"URC/Datamode/Ringline","off"
OK
AT^SCFG="URC/Ringline"
^SCFG:"URC/Ringline","off"
OK
Multi-Tech Systems, Inc. AT Commands for EDGE Modems (S000371G)
Chapter 2 – Configuration Commands
Switch to GSM character set.
While the TA-TE link is reserved URCs will be indicated by BREAK.
URCs on this interface will be indicated by Ring line.
While the TA-TE link is reserved URCs will be indicated by an
activated "local" Ring line.
URCs on this interface will be indicated by an activated RING0 no
matter whether or not the TA-TE link is reserved.
URCs on this interface will be indicated by an activated RING0 if the
TA-TE link is not reserved and by BREAK if the TA-TE link is reserved.
Disable any Ring line indication for URCs on this interface.
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