BIGUARD 50G 2.06E FIRMWARE
This firmware has added the option to disable SIP ALG to avoid any
SIP related issues.
Firmware available via this link: Download BG50Gv2.06e firmware [1]
Links:
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[1] http://www.billion.uk.com/download/Bigua...
User manual of the BiGuard 50G
BiGuard 50G firmware version 2.05