4 Configurations on Web Interface
When making an outgoing call, the device obtains the called
number from the SIP message of the remote end. According to
the content of the SIP request, the called number may be
Called Number Preferred
obtained from the following three fields:
P-Called-Party-ID Header
Request-line )
To header
Dial Restriction
When FXO gateway calls the PSTN, set a simultaneous dialing
limit ( 0 means no restriction).
Enabled by default, the call mode of FXO gateway means that
One Stage Dialing
when the FXO device makes an outgoing call, the called number
obtained from the SIP message is sent to the analog end digit by
digit at a time.
When FXO gateway makes an outgoing call, it will
Add # As Ending Key
automatically add # after the original number as the end key to
dial out together.
Off-hook Delay after
When FXO gateway calls the PSTN, the delay time for the FXO
On-hook
device to go off-hook after on-hook (default 1000ms).
18x Response for INVITE
When the device receives the INVITE request from the remote
end, it sends 180 or 183 as a temporary response code to the IP
Choose
side.
183 Response after FXO
When FXO gateway calls the PSTN, after the FXO goes
off-hook, it will respond to the 183 to the IP side after a specified
Off-hook
time (200ms by default).
Auto Dial when Detect
When FXO gateway calls the PSTN, the FXO gateway will
Dial tone
automatically dial out when it detects the dial tone of the PSTN.
Dial Delay after 183
When FXO gateway calls the PSTN, it sends 183 messages after
Response
a specified interval to dial the PSTN.
When FXO gateway calls the PSTN, the way that FXO answers
Polarity Reversal
the caller is to detect the polarity reversal. After enabled, if a
polarity reversal is detected, it will be reported to the caller for
Detected
response. If the PSTN side cannot provide the polarity reversal
detected, this function is invalid.
The time for the FXO device to detect the polarity reversal and
Delay Time after FXO
answer the caller should be less than this value. The system
defaults to 10s. If the time is exceeded, the called is considered
Off-hook
to have answered. This parameter is mostly used when there is
no reverse polarity on the PSTN.
Dial Mode
FXO gateway calls the PSTN and supports 3 dialing methods:
Gateway-128o User Manual
41
Summary of Contents for FXO-128o
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Page 35: ...4 Configurations on Web Interface Gateway 128o User Manual 33 ...
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