Welltech FXSO Gateway In SIP V.1.2 - Manual (Page 34)

FXSO SIP Gateway User Manual Document Ver.: 102
Released Dec., 2004
32
3.6 Voice Setting
User could define some parameters about the voice in this voice-setting page.
(see figure 3.6 )
Figure 3.6: Voice Setting
u Codec Priority：It’s for the codec setting. User could use the codec, which
they want by the setting.
There are two firmware versions for the 2S2O. One is for G.723 only, another is
for G.729 only. It with no meanings if users use the G.723 version and configure
the codec in G.729. User could check out the firmware version first and
configure the codec second. 1S1O could support all the codec at the same
times.
u Frame Size：It’s the packet size for all codec. It will take more bandwidth if
users configure the packet size in the minimum value.
u G723 Silence Suppression：For the VAD and CNG function support.
u Volume：To adjust the gain of the output, input and dtmf.
u Echo Canceller：To enable the echo cancellation function.
u Jitter Buffer：To adjust the Jitter Buffer size to avoid the packets losing.