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the switch code.
Realm switch code:
1*: Realm 1
2*: Realm 2
3*: Realm 3
For example: The default is realm 1, input the 2* (Follow by the # key) from keypad and hang up
the telephone set. It will switch to realm 2, and it can make the SIP calls via realm 2.
Auto Update firmware by manual (Keypad)
If pick up the handsetof 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.