TANDBERG D13841.08 用户手册

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页码 54
D13841.08
10.2007
36
TANDBERG 
3G Gateway 
USER GUIDE
TANDBERG 
3G GATEWAY 
USER GUIDE
Select 
H.323
 to access the 
H.323 Configuration
 pane.
Save. 
When ready to store 
the new settings, press 
Save
Mode.
 Enables the 3G Gateway to register with a 
Gatekeeper or leave it unregistered, i.e. in direct 
mode. When registered with a gatekeeper, the 
H.323 Status shows Registered, the Gatekeeper’s 
IP address and the Port used.
When the registration fails, the Registration 
status will be ‘rejected’. Three cases can be 
distinguished:
Gatekeeper unreachable
; the 3G Gateway’s 
H.323 stack returns this reject message in case 
the gatekeeper is down.
Duplicate alias
; a system with an identical 
name has already been registered.
Authentication failure
; Authentication ID and/or 
Authentication Password are incorrect.
Selecting direct mode will result in no Gatekeeper 
registration; hence it is not possible to dial through 
the 3G Gateway via alias names. The H.323 Status 
shows Inactive.
Dialing out from IP to 
IP or ISDN, through 
the 3G Gateway, 
requires the use of H.323 
numbers (E.164 aliases and 
service prefixes). This means 
that the 3G Gateway must be 
registered to a Gatekeeper; 
select the 
H.323
 menu item 
in the Configuration menu.
H.323 Configuration
If the Gatekeeper is configured with an 
alternative Gatekeeper, the Status area 
may report a registration to the IP address 
of the alternative Gatekeeper.
In case password is not 
set/configured/inserted, 
the 3G Gateway will 
still use the Authentication ID 
to register with the gatekeeper. 
However, when the Authentica-
tion ID is left “unused”, the 
System Name field. will be used 
to register the 3G Gateway with 
the gatekeeper instead. In case 
both the Authentication ID field 
and the System Name field 
are “unused” the 3G Gateway 
can not be registered with the 
gatekeeper.
When registered with 
a gatekeeper, the 
H.323 Status shows 
Registered, the Gatekeeper’s 
IP address and the Port used 
(see also 
).
IP Address.
Enter the Gatekeeper IP Address that 
the 3G Gateway should register to. Leaving this 
empty will result in direct dialing without the use of 
aliases.
Authentication Mode
 is 
Off
 or 
Auto
.
Off.
Register to the Gatekeeper without 
authentication.
Auto.
Register to the Gatekeeper with H.235 
authentication using ID/Password given below.
Authentication ID
 and 
Password. 
Enter the ID and pass-
word required to perform H.235 authentication at the 
Gatekeeper. To register with a Gatekeeper that requires 
authentication, an NTP server has to be configured.