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Right click the audio device (headset or handsfree) and set this as the page target (slave). On the device list right click the audio gateway device (Phone or PC) and set this as the recording options master. If the pairing is initiated from the audio device the master and slave roles for this example would need to be switched. Pairing processes are usually initiated from the audio gateway so we will follow this procedure. Note: If the BD_address is know this can be added to the device list manually, however you should be careful of typographical errors here or you may find you wait for a non-existent device to connect. The COD field can be used to identify which device is the headset and which the audio gateway. This will result in the devices being listed in the device list. At this point (while the devices are discoverable the CATC Bluetooth analyser can be asked to survey the Bluetooth Neighbourhood (menu option or toolbar icon). The audio gateway is usually made discoverable from a menu option. At this point the audio device is discoverable. In most cases this also results in a flashing light sequence too. In order to pair the devices the most common method is to first turn the audio device off and then turn it on again and hold the on button down for a further10-15seconds. Recording the pairing process has the secondary advantage of confirming or learning the device BD_addr’s have been correctly identified to the tracer system. Therefore to successfully trace and decrypt an audio device link it is generally advisable to record the pairing process. Encryption of the link is optional but most systems implement it by default. In most cases it also allows the link to be encrypted.
#Bluetooth sco audio device how to
Pairing ensures that the Audio device and Audio gateway know how to connect and find each other when not discoverable to other devices. In some cases the pairing may have been performed at the factory to enhance the user experience though as a general rule these devices too can be re-paired at any time. Part1: Pairingīefore the user can user a Bluetooth Audio device (eg Headset or Handsfree) with a Phone or PC it is normally required to pair the devices.
#Bluetooth sco audio device software
This application note assumes that the reader is using CATC Bluetooth software 2.01 or higher although the principles were still applicable in the older software versions the examples are based around the 2.0 user interface. This application note describes the various methodologies for recording Bluetooth Headset and Handsfree links. Typically apart from the pairing process the Headset is not discoverable and sometimes the audio-gateway in not either. Bluetooth Headsets and Hands free audio devices typically make connection with a Bluetooth Audio Gateway (Phone or PC usually).