User manual

8820IP Phone User Manual_ SIP (V1.44)
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Name field following 001, and then input 5989426454 into Phone number
field. Then Jack’s number 5989426454 is saved in phone book. Then
please click Save/Back button. In normal state, you can use speed dial to
call numbers saved in phone book.
Fig 1.8 Phone Book Illustration
● Upgrade Firmware: Click this button to update the program ,the settings
and the digitmap of IP phone.