elmeg IP130 / en / elmegIP130_v1_April-2014 / web_configurator.fm / 09.04.2014
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bintec elmeg
Configuring phone settings via the Web configurator
Voice quality
The voice quality of your VoIP calls is determined by the codec used for the transmission. To
increase the quality, more data must be transmitted. Depending on the bandwidth of your DSL
connection, this can then lead to problems with the volume of data – especially if two VoIP calls
are made simultaneously – so that the transmission no longer takes place smoothly. The follow-
ing settings allow you to adjust your bintec elmeg to your individual DSL connection.
Settings
¢
Telephony
¢
Voice Quality
You can set the following parameters for the voice quality:
Packed time for RTP packages
¤
Select the interval for sending RTP packets (20 or 30 ms).
RTP (Real-time Transport Protocol) is a protocol for the continuous transmission of audiovis-
ual data (streams) via IP-based networks. Default: 20 ms.
Voice quality
¤
Select the voice quality that matches the bandwidth of your DSL connection.
–
Optimised for high bandwidth
– Optimised for low bandwidth
– Select
Own Codec preference
if you want to determine the codecs yourself.
Both parties involved in a phone connection (caller/sender and recipient) must use the same
voice codec. The voice codec is negotiated between the sender and the recipient when estab-
lishing a connection. You can influence the voice quality by selecting (bearing in mind the
bandwidth of your Internet connection) the voice codecs your phone is to use, and specifying
the order in which the codecs are to be suggested when a VoIP connection is established.
¤
Select the required codecs and define the sequence in which they should be used.