During installation (provisioned or non-provisioned) it may be necessary to upgrade the software being used by the 3700 Series phones. This is done in one of two ways:
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Windows Device Manager
The Windows device manager application can be used to upgrade the software of phones placed in an advanced charger and connected to the PC via USB or LAN. If using this method, install the Windows Device Manager software and load the parameter definition files supplied with the Avaya Wireless DECT software.
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AIWS Device Management
The AIWS device includes an integrated version of device manager that can be used to perform over the air upgrades. This method is only recommended for the maintenance of an existing system. For upgrades during the installation of a new system, Avaya recommends using Windows Device Manager.
For more information see
Upgrading Phone Software