Elec Freaks Bluetooth Modem Especificações descarregar pdf (Página 153)

SIM900 AT Command Manual

SIM900_AT Command Manual_V1.03 153 12/24/2010

0-6 (when mic=0 or1 default value is 0; when mic=2 or 3 default

value is 5)

<mode> 0 close echo algorithm

1 open echo algorithm

Reference Note

For this command, please refer to actual model.

6.2.49 AT+CAAS Control Auto Audio Switch

AT+CAAS Control Auto Audio Switch

Response

+CAAS: (0-2)

Test Command

AT+CAAS=?

Parameter

See Write Command

Response

+CAAS: <mode>

Read Command

AT+CAAS?

Parameter

See Write Command

Response

This parameter setting determines whether or not the audio channel will be

switched automatically to the corresponding channel in case of headset

attaching or detaching.

If error is related to ME functionality:

+CME ERROR: <err>

Write Command

AT+CAAS=

<mode>

Parameter

<mode>

0 disable automatic audio channel switch function, the headset

HOOK function is disabled;

1 enable automatic audio channel switch function, the headset

HOOK function is enabled;

2 disable automatic audio channel switch function, the headset

HOOK function is enabled.

Reference Note

z For this command, please refer to actual model.

z The headset detection is still worked when <mode> is set to 0. In other

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