PLANET ATA-150 - Manual (Page 47)

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the switch code.
Realm switch code:
#1500# : Realm 1
#1501# : Realm 2
For example: The default is Realm 1, input the #1501# from keypad and hang up the telephone
set. It will switch to Realm 2 can make the SIP calls via Realm 2.
Auto Update firmware by manual (Keypad)
If pick up the handset of ATA, it will hear the “DoDoDo” prompt. If want to carry out the upgrade
action, please input” #190# ” to unlock the device at first. Then input” #160# ” to upgrade the new
firmware.