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The Handsets key exposes a list of all handsets keyed by their extension no.
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Once you have the $Handset it then exposes the following methods:
String getAccountPassword()
String getAccountPIN()
String getAllow()
String getAttachVoiceMailSoundFile()
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String getMailbox()
String getMailboxPIN()Manufacturer getManufacturer()
int getModel()
String getPassword()
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