AudioCodes C470HD - Google Play Services; Running Android in Kiosk Mode; Screen Lock; Audiocodes Private Key

CHAPTER1 Overview
C470HD | Users & Administrator's Manual
Google Play Services
GogglePlayserviceswereremovedfromAudioCodesdevicessoftware.AccesstoanyGoogle
storeorPlayserviceisnotallowed.
■ UpdatingtheAudioCodesdevice'sAndroidsoftwareandapplicationisperformedvia
specialsoftwarecomponentsthateitherconnecttotheTeamsAdminCenterorto
AudioCodes'DeviceManageroverasecuredchannel.
Running Android in Kiosk Mode
AndroidKioskLockdownsoftware'locksdown'Androiddevicestoonlyallowessentialappsby
disablingaccessto theHome/Launcher.UsingAndroidKiosk Lockdownsoftware,Android
devicescanbeconvertedintopublickioskterminalsorsecuredworkdevices.
■ OnlyspecificMicrosoftappsandAudioCodes-signedappsthatwerecertifiedandapproved
inthecertificationprocesscanruninKioskmode;evenifamalicioususermanagesto
installanewunauthorizedapponthefilesystem,thelauncheronthedevicewillonlyrun
thosespecificapprovedappsandthiscannotbechangedinruntime(onlywithanew
softwarecodeprovidedbyAudioCodes).
Screen Lock
AudioCodesdevicesuseascreenlockmechanismtopreventanymalicioususer/usersfrom
gainingaccesstoCalendarinformationand/orActiveDirectorylistofemployeesand/or
triggering  unauthorized  calls  from  the  device.  After  enabling  screen  lock,  the  device 
automaticallylocksafterapreconfiguredperiod;acodeisrequiredtounlockthedeviceand
resumefulloperation.
AudioCodes Private Key
ThesystemsoftwareonAudioCodesdevicesissignedwithAudioCodes'privatekey.Userscan
replace the complete software only withnew software that is also  signed by AudioCodes' 
privatekey.
Thispreventsusersfromreplacingthecompleteover-the-air(OTA)packageofthedevicewith
anynewsystemsoftware,unlessthesoftwareisfullysignedbyAudioCodes.
Android Debug Bridge (ADB)
The device does not allow access to ADB.
AudioCodesdisabledtheAndroidDebugBridge(ADB)applicationandkeepstheTeamsapp
runninginthefrontallthetime.Asaresult,it'simpossibletoinstallotherappsfromunknown
sources,andtosideloadapps.
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