We bought new unit of VVX500, I try to add BLF in Line Key Configuration. But prompt with this error "Cannot accommodate 'BLF' line-key in Active Line and Speed Dial Keys selection box (Reached maximum limit)."
I setting from web config:
Web > Utilities > Line Key Configuration (detail snapshot as per attached)
Phone Model VVX 500
UC Software Version 126.96.36.19941
Updater Version 188.8.131.5213
I also add config entry below in config file before adding BLF via web:
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