
AT Commands for the MT5656ZDX, MT5600ZDX, MT5600BA/BL-Series Modems
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Multi-Tech Systems, Inc. Commands Reference Guide (PN S000273D)
Command: -SDR=n Distinctive Ring Control
Values: 0–7
Default: 0
Description: This command enables or disables detection and reporting of distinctive ring. One, two, or
three distinctive ring types can be simultaneously enabled depending upon the value of n.
The detected ring type is reported in the verbose result code by appending the ring type number
to the end of the RING message.
-SDR=0 Disables distinctive ring. Any valid ring detected is reported as RING.
-SDR=1 Enables distinctive ring type 1.
-SDR=2 Enables distinctive ring type 2.
-SDR=3 Enables distinctive ring types 1 and 2.
-SDR=4 Enables distinctive ring type 3.
-SDR=5 Enables distinctive ring types 1 and 3.
-SDR=6 Enables distinctive ring types 2 and 3.
-SDR=7 Enables distinctive ring types 1, 2, and 3.
The supported ring types and ring cadence detection criteria are shown in the following
table:
Distinctive
Ring Type Ring cadence detection criteria
1 2.0 sec. on, 4.0 sec off
2 0.8 sec on, 0.4 sec off, 0.8 sec on, 0.4 sec off
3 0.4 sec on, 0.2 sec off, 0.4 sec on, 0.2 sec off, 0.8 sec on, 0.4 sec off
Command: #CID=n Caller ID
Values: n = 0, 1, or 2
Default: 0
Description: Enables or disables Caller ID recognition and reporting.
#CID=0 Disables Caller ID.
#CID=1 Enables formatted Caller ID reporting of ICLID SDM (Single Data
Message) and MDM (Multiple Data Message) packets.
#CID=2 Enables unformatted Caller ID reporting of any ICLID packet received after
the first RING cycle, including SDM, MDM, or call waiting packets.
#CID? Retrieves the current Caller ID mode from the modem.
#CID=? Returns the mode capabilities of the modem in a list with each element
separated by commas.
MT5600BA LCD:
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