Specifications

Windows Embedded Automotive 7 Deep Dive: Phone Core and Media Core 15
The Phone Core registry keys are:
• HKEY_LOCAL_MACHINE\Software\Microsoft\Automotive\PhoneCore
• HKEY_LOCAL_MACHINE\Software\Microsoft\Automotive\PhonebookOptions
Table 2 details the Phone Core registry values. Table 3 details the PhonebookOptions registry
key values.
Table 2: Phone Core registry values
HKEY_LOCAL_MACHINE\Software\Microsoft\Automotive\PhoneCore
Key Value
Type
Description
AutoConnectAttempt
DWORD
Specifies the number of loops through the paired phone list to attempt
auto connect. The device attempts to connect to each of the paired
phones in the list and repeats this process for a total of three times
until a connection attempt is successful or until the third repetition of
the process completes.
The default value is 3.
AppConnectAttempt
DWORD
Specifies the number of times that the Windows Embedded
Automotive 7–based device attempts to connect to the paired phone
when the user initiates the connection.
The default value is 1.
ConnectTimeoutSec
DWORD
Contains the timeout value, in seconds, for making a manual
connection attempt. A manual connection attempt occurs when the
user attempts to make a connection either from the phone handset or
by making a selection from the Windows Embedded Automotive 7–
based device display menu.
Note that this timeout does not apply to auto connect.
The default value is 30.
RingCountToPlayLocalRingTone
DWORD
Specifies the number of times to ring before cancelling the attempt to
play a synchronous connection-oriented (SCO) ringtone. The default
value is 3.
PhonebookDownload
DWORD
Specifies the phonebook automatic download flag. This value can be 1
to specify automatic download upon connection or 0 to specify no
automatic download upon connection. The default value is 0.
PhonebookFull
DWORD
Specifies the value of the phonebook full flag. A 1 indicates the
phonebook is full. The default value is 0.
ContactAdded
DWORD
Specifies the value of the contact added flag. A 0 indicates none were
added to the phonebook. A 1 indicates a contact was added to the
phonebook. The default value is 0.
SCOringTone
DWORD
Specifies whether the phone has SCO ringtone capability. The default
value is 0.