A number of different types of charger exist for 3700 Series phones. Note that chargers are not necessarily interchangeable between different phone models.
Basic Chargers
These are simple single-phone charger for charging only.
Advanced Chargers
These are single-phone chargers with USB and LAN sockets. These allow the phone docked with the charger to be accessed using the Device Manager application (browser access via the AIWS unit and charger LAN port or WinPDM PC application access via the USB port).
Rack Chargers
These are 6 phone advanced chargers.
Battery Chargers
These chargers allows the charging of up to 6 batteries separate from the phones.