MultiModemDSVD User Guide

 

4 AT Commands, S-Registers, and Result Codes

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 ap-

 

 

 

pending 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:

**n

 

Flash Memory Download

Values:

 

 

n = 0, 1, or 2

Description:

**0

 

Initiate download to flash memory at the last sensed speed

 

**1

Initiate download to flash memory at 38.4K bps

 

**2

Initiate download to flash memory at 57.6K bps

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.

Multi-Tech Systems, Inc.

43