Avaya B179 SIP 2.4.x Conference Phone User's Manual | Page 52

Avaya Conference Phone User's Manual - B179 SIP 2.4.x Conference Phone.
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Avaya B179 SIP Conference Phone  

Installation and Administration Guide

48

DISABLING FIRMWARE UPGRADE FROM SD CARD
To disable the firmware upgrade from the SD card, set the <sd_upgrade_disabled> tag in the 
global configuration file to true.
Note: You cannot enable the firmware upgrade from the SD card after it is disabled.
The recovery process prompts to initiate the SD card-based firmware upgrade even if the 
option is disabled in the configuration file. When the user selects the option to initiate the 
upgrade, the fol owing messages are displayed:

 

SD-card upgrade. Please wait.

 

SD-Upgrade disabled. Skipping upgrade.

FIRMWARE UPGRADE ON MULTIPLE PHONES
To upgrade the firmware on multiple B179 conference phones, use a device management 
server.. For information about configuring and using a device management server, see Using 
a device management server on Page 58.

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