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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
DAG serial
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 app
ropriate option in “Choice
0
”. The last Vocoder is entered by choosing the appropriate option in
“Choice 3”.
DTMF
Flexible DTMF transmission method, user interface of In-audio, RFC2833 or
SIP Info
INBAND
Send DTMF as in-audio (inband).
SIGNAL
Send DTMF via SIP INFO message.
RFC 2833
Send DTMF via RTP (According to RFC 2833).
STUN
IP address or Domain name of the STUN server
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 se
t 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
3 seconds
.
Service Config
（
DAG1000-XO
）
In order to adapt to different environments, it is necessary to set some parameters in the service config
page.
