Chapter 3:  AT Commands Reference
 April 15, 2008 G24-L AT Commands Reference Manual 3-39
Call Status Messages
+CPAS, Phone Activity Status 
This command displays the current activity status of the G24-L, for example, call in progress, or 
ringing.
The following table shows the +CPAS parameters.
Example
AT+CPAS
+CPAS: 0
OK
AT+CPAS=?
+CPAS: (0,2-4) 
OK
AT+CPAS?
+CPAS: 4
OK
AT+CPAS //Voice call active state
+CPAS: 4
OK
Command Type Syntax Response/Action Remarks
Execute/Read
AT+CPAS 
AT+CPAS?
+CPAS: <pas>
OK 
or:
+CME ERROR: <err>
The Execute and Read commands 
return the activity status <pas> of the 
G24-L. They can be used to interrogate 
the G24-L.
Test
AT+CPAS=? +CPAS: (list of 
supported <pas>s)
OK 
or:
+CME ERROR: <err>
Table 3-18: +CPAS Parameters
<Parameter> Description
<pas>  0 - Ready - The G24-L allows commands from the terminal
2 - Unknown - The G24-L is not guaranteed to respond to instructions
3 - Ringing (MT calls) - The G24-L is ready for commands from the terminal, but the 
ringer is active
4 - Call in progress - The G24-L is ready for commands from the terminal, but a call is 
in progress