Welltech FXS SIP Gateway V.2.9 - Manual (Page 107)

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FXS Gateway Overview
-callerid: Support Bell Core and DTMF callerID function. After the first ring at
destination site, device will send line number as callerID to called site.
-dtmfstart: DTMF CallerID Start Symbol.
-dtmfstart: DTMF CallerID End Symbol.
-userphone: The user=phone is a SIP parameter; it indicates that this is phone call.
Some endpoint does not recognize this parameter, so 350x provide this
command to disable this parameter.
-billing: The billing methods are actually based on the ISP's billing server. Now our
FXS gateway can support four methods for billing. The "Reverse" means that
the "circuit" and "voltage" will change when the call is setup, and your billing
server will start to bill according to the "voltage". The "Tone" means that the
FXS will send a special tone to your server, named C tone and D tone, your
server will recognize these tones, start or stop billing. For the F12K and F16k
billing methods, they are customized billing methods, they only for a special
customer's billing system.
-bmod: This is a special billing function; it only for a special customer's billing system.
-transfer: User can enable or disable transfer function by this command, 0 for disable
and 1 for enable. Default is disabled. If this function is close press flash key
should be send a SIP info message.
-autosiport: The default SIP listen port is 5060. Enable this function can assign a
dynamic SIP listen port based on the MAC address.
-mwi:support phone to show miss call light.
-waiting: Enable this function can receive second incoming call
-ptime: support packet include voice codec ptime information or not include ptime.
For example:
usr/config$ sysconf -print
System information
Gateway Service : 0
Inter-Digits time : 3
BusyForward : OFF
Keypad DTMF type : RFC2833
End of Dial Digit : #
Caller ID Type : x
DTMF Caller ID Start Symbol : D
DTMF Caller ID End Symbol : C
RFC2833 Payload Type : 101