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GW-200 User Manual
13
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 gateway 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 ID here. While
prefix
item selected in
use
dialplan dropdown list, enter language indicating number, card number
and # here, such as 14589653185 .
pin:
While 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,