User guide

Chapter 8 – Communication Commands
Multi-Tech Systems, Inc. CDMA C1 AT Commands Reference Guide (PN S000478C) 32
Carrier Detect Threshold S9
Description: This command defines the amount of time the carrier detect signal stays high. The value is not
persistent.
Syntax: Command syntax: ATS9=<value>
Command Possible Responses
ATS9=10 OK
Values: <value> Value in tenths of a second
1 – 255 Default value is 60 (or 6 seconds)
Automatic Disconnect Delay S10
Description: This command defines the duration of received-line-signal loss that the DCE tolerates. If the
duration is exceeded, the DCE disconnects. The value is not persistent.
Syntax: Command syntax: ATS10=<value>
Command Possible Responses
ATS10=10 OK
Values: <value> Value in tenths of a second
1 – 254 Default value is 14 (or 1.4 seconds)
255 Ignore received-line-signal loss; do not disconnect
DTMF Duration and Spacing S11
Description: This command defines the DTMF pulse width for both burst and continuous DTMF. The value is
not persistent.
Syntax: Command syntax: ATS11=<value>
Command Possible Responses
ATS11=150 OK
Values: <value> Value range
50 – 149 Burst DTMF time of 95ms digit time with 60ms inter-digit time
150 – 199 Burst DTMF time of 150ms digit time with 100ms inter-digit time
200 – 249 Burst DTMF time of 200ms digit time with 150ms inter-digit time
250 Burst DTMF time of 250ms digit time with 200ms inter-digit time
251 – 255 Continue DTMF in ms – Equation: (value-250) x 1000