User manual

DAG Series User Manual
22
Dinstar Technologies Co., Ltd.
Table 3-3-4 Service Config
RTP start port
Defines the local RTP-RTCP port for listening and transmission.
Silence Suppression
Endpoints sending audio as an RTP stream are not required to send
packets during silent periods. The capability to stop sending RTP
packets during silent periods is known as "Silence Suppression" or
VAD (Voice Activity Detection).
Call Progress Tone
Configure ring or tone frequencies according to preference. By default
tones are set to USA frequencies. Frequencies should be configured
with known values to avoid uncomfortable high pitch sounds.
SLIC Setting
Dependent on standard phone type (and location).
Hook Flash Detect
Time period when the cradle is pressed (Hook Flash) to simulate
FLASH. To prevent unwanted activation of the Flash/Hold and
automatic phone ring-back, adjust this time value.
Preferred Vocoder
The equipment supports up to 4 different vocoder types including
PCMU, PCMA, G.723.1, G.729AB.The user can configure vocoders in
a preference list that will be included with the same preference order in
SDP message. The first vocoder is entered by choosing the appropriate
option in “Choice 0”. The last vocoder is entered by choosing the
appropriate option in “Choice 3”.
FXO Parameter
Many FXO configuration parameters to configure the FXO port
DTMF
Flexible DTMF transmission method, user interface of in-audio,
RFC2833/INBAND/SIGNAL.
SDP parameter when
hold
When the call was hold ,the invitation of SDP the parameters can be
carried inactive or sendonly.
STUN
IP address or port of the STUN server
Incoming display
Caller ID There are two options: the name and number
Polarity Reversal
Default is No. If set to Yes, polarity will be reversed upon call
establishment and termination.
Send Flash Event
Default is NO. If set to yes, flash will be sent as DTMF event
Call Features
Default is Yes. (If Yes, call features using star codes will be supported
locally)
Direct IP-IP Calling
Default is NO
Send Anonymous
Default is No. If this parameter is set to “Yes”, users ID will be sent as
anonymous; essentially block the Caller ID from displaying.
Reject Anonymous Call
Default is NO. If set to yes, incoming calls with anonymous Caller ID
will be rejected with 486 busy message.
No Dial Timeout
Default is 4 seconds