Specifications

Chapter 7 – Call-Related Commands
Multi-Tech Systems, Inc. AT Commands for EDGE (E1) Modems (S000474A) 111
Notes:
The command must be set before the call comes. By default, when you do not modify the settings, all calls
received without bearer element are assumed to be voice.
If problems are encountered with CSD connections at 14.4 kbit/s you may be required to change the Fixed
Network User Rate depending on the network. See AT^SFNUR for details.
This command is not PIN protected.
This command is supported in airplane mode.
7.27 AT^SCNI List Call Number Information
Description: TA returns a list of current calls of ME.
Syntax: Test Command: AT^SCNI=?
Response: OK
Exec Command: AT^SCNI
Response: ^SCNI: <id>1[,<cs>[,<number>,<type>]]
^SCNI: <id>2[,<cs>[,<number>,<type>]]
[...]
OK
ERROR
+CME ERROR: <err>
Parameter:
<id>
Call identification number; this number can be used in AT+CHLD command operations.
1...7
<cs>
Call status of respective call number (first parameter)
0 call hold
1 call in progress
2 waiting call
<number>
string type phone number in format specified by <type>
<type>
type of address octet in integer format
145 when dialing string includes international access code character “+”
128 when the number is restricted
129 otherwise
Notes:
See also AT+CLCC
This command is PIN protected.
This command is not supported in airplane mode.
7.28 AT^SLCD Display Last Call Duration
Description: TA returns last call duration or current call duration.
Syntax: Test Command: AT^SLCD=?
Response: OK
ERROR
+CME ERROR: <err>
Exec Command: AT^SLCD
Response: ^SLCD: <time>
OK
ERROR
+CME ERROR: <err>
Parameter:
<time>
Format is “hh:mm:ss”, where characters indicate hours, minutes, seconds; e.g., 22:10:00 “22:10:00”
Max value is 9999:59:59
Notes:
The proper working of that command is network dependent.
This command is PIN protected.
This command is supported in airplane mode.