Moxa Technologies G2150I manual Answer a Call a, Remote Disconnection, Extended Error Report +CEER

OnCell G2150I AT Command Set		Call Control Commands
	Command	Possible responses
	ATH	OK
	Note: Ask for disconnection	Note: Every call, if any, are released
	ATH1	OK
	Note: Ask for outgoing call disconnection	Note: Outgoing call, if any, is released

Defined values: <n>

0:Ask for disconnection (default value)

1:Ask for outgoing call disconnection

Answer a Call: A

Description: When the product receives a call, it sets the RingInd signal and sends the ASCII

“RING” or “+CRING: <type>“ string to the application (+CRING if the cellular result code +CRC is enabled). Then it waits for the application to accept the call with the ATA command.

Command syntax: ATA

Command	Possible responses
	RING
	Note: Incoming call
ATA	OK
Note: Answer to this incoming call	Note: Call accepted
ATH	OK
Note: Disconnect call	Note: Call disconnected

Defined values: No parameter

Remote Disconnection

This message is used by the product to inform the application that an active call has been released by the remote user. The product sends “NO CARRIER” to the application and sets the DCD signal. In addition, for AOC, the product can release the call if credit has expired (release cause 68 with +CEER command).

Extended Error Report: +CEER

Description: This command gives the cause of call release when the last call set up (originating or answering) failed.

Command syntax: AT+CEER

Command	Possible responses
ATD123456789;	NO CARRIER
Note: Outgoing voice call	Note: Call setup failure
AT+CEER	+CEER: Error <xxx>
	OK
Note: Ask for reason of release	Note: <xxx>is the cause information element values
	from GSM recommendation 04.08 or specific Call
	accepted

“NO CARRIER” indicates that the AT+CEER information is available for failure diagnosis. Defined values: No parameter

4-4