Optimizing Voice Quality For Voip Connections - Siemens Gigaset S675 IP Manual

Setting the phone with the PC
Configuring the Gigaset.net connection
Your phone is assigned a Gigaset.net phone number by default. As soon as you
have connected your phone to the Internet, you can make calls using the
Gigaset.net and receive calls from other Gigaset.net subscribers, provided that
your Gigaset.net connection has been activated. You can deactivate the
Gigaset.net connection.
Activating/deactivating the Gigaset.net connection
¤
Open the following Web page:
of connections is displayed (
¤
In the
or deactivate (
Please note
If you do not use your Gigaset.net connection for six weeks, it is automatically
deactivated. You cannot be reached for calls from Gigaset.net.
The connection is reactivated:
u
As soon as you start a search in the Gigaset.net directory (
u
Make a call via Gigaset.net, i.e. dial a number ending in #9 (two attempts
may be necessary) or
u
Activate the connection via the Web configurator as described above.
Activating/deactivating the STUN server of the Gigaset.net connection
The Gigaset.net connection is preconfigured in your phone. The Gigaset.net
uses a STUN server as standard. In the sent data packets, Gigaset.net replaces
the private IP address of your phone with its public IP address.
If you operate your phone behind a router with symmetrical NAT, STUN cannot
be used. Otherwise, when making Gigaset.net calls you will not be able to hear
the caller.
In this case, deactivate STUN for the Gigaset.net connection.
¤
Open the following Web page:
¤
Select
STUN enabled
Click No
Select Yes
¤
Select

Optimizing voice quality for VoIP connections

You can make general and connection-specific settings to improve the voice
quality for VoIP telephony.
¤
Open the following Web page:
The voice quality for VoIP connections is mainly determined by the voice codec
used for transferring the data and the available bandwidth of your DSL con-
nection.
164
area: use the option in the
Gigaset.net
) the Gigaset.net connection.
in the
Edit Gigaset.net
to deactivate STUN.
if you want your phone to use STUN.
Set to save the changes.
¢
Settings Telephony
£
Figure 2 on Page
Active
¢
Settings Telephony
area.
¢
Settings Telephony
¢
Connections. The list
155).
column to activate (
£
Page 57) or
¢
Connections.
¢
Audio.
)