User manual

8820IP Phone User Manual_ SIP (V1.44)
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● Call waiting: Enable/disable call waiting by checking/unchecking the box.
● forward number: Enter receiving forwarded calls phone number into this
field; If the IP phone used with modem, with modem item selected in
iptype list box, and then fill ISP number into this field.
● fwd noanswer: Forward calls without replying by checking this box.
Please enter receiving forwarded calls phone number into fwd number
field.
● fwd always: Forward all calls by checking this box. Please enter receiving
forwarded calls phone number into fwd number field.
● fwd busy: Forward calls if busy by checking this box. Please enter
receiving forwarded calls phone number into fwd number field.
● answer: Enter a number from 0 through 60 to set the entries of the
seconds before the phone answer the call auto or forward the calls.
● Use digitmap: Enable/disable digit map by checking/unchecking the box.
Ø SIP Protocol Setting：
Fig 1.5 SIP Protocol Setting