Field
Description
The function is activated by selecting
"
.
The function is disabled by default.
Upstreaming Device
with NAT
If you enable this function, you can use a gateway with NAT
and still make VoIP calls. Without this function, it may not be
possible to call you with VoIP if you use a gateway with NAT.
The function is activated by selecting
"
.
The function is disabled by default.
Early media support
Select whether you'll allow exchange of voice and audio data
before a receiver accepts a call.
The function is enabled with
"
.
The function is enabled by default.
Provider without Re-
gistration
Select whether registration and authentication with a provider
can be eliminated. In this case, the relevant data can be sent to
a specific IP address already known to the correspondent. An
example of this method is Microsoft Exchange SIP.
The function is enabled with
"
.
The function is disabled by default.
If this function is not enabled, an authentication is performed by
default. For this, every SIP client (user) sends its current posi-
tion to a registrar server. This information on the user and his
current address is saved by the registrar on a server queried
by other proxies to locate the user.
T.38 FAX support
Select whether faxes shall be transmitted with T.38.
The function is enabled with
"
.
The function is enabled by default.
If the function is disabled, faxes are transmitted with G.711.
Substitution of Incom-
ing Number Prefix
For incoming calls, if the call number should be forwarded in
the system in modified form: in the first input field enter the se-
quence of the incoming number to be replaced by the number
4 VoIP
Gigaset Communications GmbH
68
hybird 120 Gigaset Edition
