Grandstream Networks GXV3175 User Manual page 53

H.263 En ncoder Resol lution
SRTP M ode
Silence S Suppression
Voice Fr ame per TX
G723 Ra ate
Jitter Buf ffer Type
Jitter Buf ffer Length
Account/ /Call Settings s
Dial Plan n Prefix
Grandstr ream Networ ks, Inc.
Selec cts the resol ution (CIF/Q
resolu ution is CIF.
This i s option to se ecure the RTP
This c controls the G G723/G729 si
no au udio is detect ted, the phon
(inste ead of audio p packets). If Se
settin g is NO.
This c configures th he number of
recom mmended to s set this based
Byte o or 120kb/s).
When n configuring this, it should
will ch hange with d different confi
codec c used and th e actual fram
For ex xample: if the e codec is con
TX" is s set to 2. The en in the INVI
60 ms s. This is beca ause the G723
is 2 a nd the codec is G729 or G
INVIT TE request wi ll be 20 ms.
If the e voice frame es per TX c
allowe ed, the phone e will choose
value allowed.
The m maximum valu ue is 64 frame
Adjus sting these va alues will also
algori thm for setti ing the jitter
20-20 00ms.
For e end-users, it i is recommen
settin gs may influe ence the quali
This d defines the e encoding rate
5.3Kb b/s. Please co onfirm with yo
Users s can select e either Fixed or
defau ult is Adaptive e.
User can select L ow, Medium,
defau ult is Medium.
Sets t the prefix add ded to each d
GXV3175 USER MANU
FIRM MWARE VER RSION 1.0.3.4
QCIF) used f for H.263 co
P audio
ilence suppre ession/VAD. If
ne will send a a small numb
et to NO, this feature is dis
f voice frame es transmitted
d on the Ethe ernet IS packe
d be noted tha at the "ptime"
gurations he re. This valu
mes transmitte ed during the
nfigured to be e G.723 and
TE request, t the "ptime" va
3 voice frame e is 30 ms. Sim
711 or G726, the "ptime" v
configuration exceeds the
e the preferre d codec and
es.
o change the jitter buffer.
buffer and t the jitter buff
nded to use t the default se
ity of audio.
e for G723 vo ocoder, and
our service pro ovider.
r Adaptive ba ased on netwo
, or High bas sed on netwo
ialed number r.
UAL
40
odec. The d default
f set to YES, when
er of VAD pa ackets
sabled. The d default
d per packet. . (It is
et limitation – – 1500
" value for the e SDP
e is related t to the
in payload ca all.
"Voice Frame es per
alue for SDP w will be
milarly, if the s setting
value for SDP in the
e maximum value
use the max ximum
The phone h as an
ffer rate is a round
etting, as inc correct
can be 6.3K b/s or
ork conditions s. The
ork conditions s. The
P Page 53 of 13 30
Updated : 11 /2011