8820IP Phone User Manual_ SIP (V1.44)
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●
dtmf:
Set DTMF signal sending way by selecting
inband audio
,
rfc 2833
and
sip info
from list box.
●
dtmf payload :
When DTMF select
rfc 2833
.This parameter can be used
indicating type of RTP payload type. The value can be use integer
96-101.
●
prack:
Enable/disable support pre-ack(RFC3262) by checking/clearing
this box.
●
super password:
Set the super password of the phone.(Default super
password is 12345678).
●
debug:
Set the debug level of the phone.
n
disable:
Disable output the debug message by selecting this item.
n
output:
Output the operation information to the window, such as
register, input by selecting this item.
n
output all:
Output all debug information and data in test window by
selecting this item.
n
remote debug:
Save
the debug information in SDRAM of IP phone by
selecting this item.
n
no check:
Disable checking firmware tags when upgrading. This is not
suggested, because it will increase the risk of upgrading the wrong
firmware into the phone.