Eusso 2 & 4 Port VoIP Gateway Manual do Utilizador descarregar pdf (Página 54)

z Silence Detection / Suppression:

Enable or disable the Silence Detection/VAD function. When Enable, if local

gateway detect a silence situation ( no talk), it will send a VAD package rather

than a full voice package for remote side to active CNG ( Comfort Noise

Generation) to save the bandwidth. The default is Enable to save the

bandwidth.

z Prefer CODEC :

In this table, you can define the prefer CODEC. The priority 1 selection is

highest priority. By different CODEC, user can select different payload size

per package as below:

 G.711 uLaw: 20,30,40,50,60,70,80ms

 G.711 aLaw: 20, 30,40,50,60,70,80ms

 G.723.1: 30,60,90ms

 G.729a: 20,30,40,50,60,70,80ms

 G.726: 20,30,40,50,60,70,80ms

 None: none

The gateway will calculate and show approximately bandwidth for one VoIP

call.

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Eusso 2 & 4 Port VoIP Gateway Manual do Utilizador Página 54