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When the module as a Bluetooth headset role, we provide a set of AT commands to control the
remote smart phones, such as phone calls, turn on or hang up calls and so on.
By default, the module operates in power-saving mode, which means that the module can be
simultaneously connected to a Bluetooth device. When the module to establish a connection with a
device, other devices can not be scanned into the module, the module can not get Profile, will not
be able to establish new connections and modules. If the customer's application scenario, the
module needs to be multiple Bluetooth devices (currently up to three) connection, you need to use
the AT + BTSPPCFG = 1 command to turn off the power saving mode. It should be noted that the
power saving mode does not affect the module initiative to connect to other Bluetooth devices.
SIM800 Series_Bluetooth_Application_V1.02
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2014-06-30
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