User manual

8820IP Phone User Manual_ SIP (V1.44)
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n Advanced: Set ring used the individualized tone provided by system
(need system support).
● speaker out: Set the volume of handfree output.
● speaker in: Set the volume of handfree input.
Ø Dial Plan settings:
Fig 1.4 Dial Plan Setting
● use dialplan: Set whether use dial plan or use dial number by selecting
the corresponding item in drop down list.
n disable: Do not use dial plan or dial number by selecting this item.
n enable: Use dial plan by selecting this item.
n dialnum: Use dial number by selecting this item. With this item
selected, please enter the dial prefix into dial number field.
n prefix: Use specially service by selecting this item.
n Hotline: Use Hotline function by selecting this item. With this item
selected, please enter the hotline number into dial number field.
● dial number: With dialnum selected in use dialplan drop down list,