AT-320 H323 Phone User Manual (V1.39)
14
●
nat addr:
When “
nat traversal
” is set to “
enable
”, please put the domain name
of the servers ( These web server helps to find out the public IP of the IP phone)
into “
nat addr
”, such as
www.whatismyip.com
.
●
nat ttl:
When IP phone sit behind a NAT device, it will send packets to server
every “
nat ttl
” seconds to keep the port mapping on the NAT device alive. “
nat
ttl
” is an integer between 10 and 65535 .default value is 20.
●
phone number:
The local phone number or username of this phone, usually is
allocated by system.
●
account
: While calling card is set, please type the account of chosen card into
this field; while
md5 account
item selected in
local type
dropdown list, enter ID
here; while
account
is selected in
local
type
dropdown list, enter H323 ID here.
While
prefix
item selected in
use dialplan
dropdown list, enter language
indicating number, card number and # here, such as 14589653185 .
●
pin:
W hile calling card is set, please type the password of chosen card into this
field; while
md5 account
item selected in
local type
dropdown list, enter
password here. While
prefix
item selected in
use dialplan
dropdown list, enter
password and # here, such as 3185 .
●
register port:
The local UDP port registered with server to accept incoming
handshaking messages. any number between 1024 and 65535 is acceptable.
●
signal port:
This port is Q.931 port using TCP protocol, can be any number
between 1024 and 65535.
●
control port:
This port is H.245 port using TCP protocol, can be any number
between 1024 and 65535.
●
dtmf:
Set DTMF signal sending way by selecting
control string
,
inband audio
,
signal keypad
or
rfc 2833
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.
●
rtp port:
RTP port is the port transferring and receiving voice packets using
UDP protocol. This is an even number between 1024 and 65535, can’t be the
same as “
register port
”.
●
local type:
This parameter refers to how IP phone authenticate itself to the
gatekeeper. The meaning of each item is as follow:
