9600 SERIES VOIP USER GUIDE: CETIS SIP 2017
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15
Audio Settings
Sound and Volume Control
Handset
Set output volume of handset .
Ranges from 1–7 . Default is 5 .
Speaker
Set output volume of speaker .
Ranges from 1–7 . Default is 5 .
Ring Tone
Set volume of ring tone . Ranges
from 1–5 . Default is 5 .
Ringer
Turn Ringer off or on .
Ringer Type
Select ringer type .
Codec Setting
Codec #1–6: Prioritize the codec selections,
there are six choices:
• G .711a
• G .711u
• G .729
• G .723 .1
• G .722
• iLBC
Packet Data
Size
Size of the RTP packet size .
Default is 20 ms .
Voice VAD/CNG
VAD
Enable or disable Voice Activated
Detector function . VAD can reduce
RTP data to not send silence
packet . Default is Enabled .
CNG
Enable or disable Comfort
Noise Generation when silence
is detected in the conversation .
Codec ID Settings
DTMF
Payload
(RFC2833)
Set the default DTMF payload
ID .
3.3.3 CALL FEATURES
You can set call features, program Speed Dial
button functions and Message Waiting Indication
buttons, as well as create blocked and/or
restricted lists on this page .