AudioCodes MediaPack 114 Manual do Utilizador Página 131

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Version 5.6 131 November 2008
SIP User's Manual 3. Web-Based Management
Table 3-32: Advanced Parameters Description
Parameter Description
General
IP Security
[SecureCallsFromIP]
Determines whether the device accepts SIP calls received from only IP
addresses defined in the 'Tel to IP Routing' table (refer to ''Tel to IP
Routing Table'' on page 160). Thi
s is useful in preventing unwanted SIP
calls or messages and/or VoIP spam.
[0] Disable = device accepts all SIP calls (default).
[1] Enable = device accepts SIP calls only from IP addresses defined
in the 'Tel to IP Routing' table. The device rejects all calls from
unknown IP addresses.
Note: Specifying the IP address of a Proxy server in the 'Tel to IP
Routing' table enables the device to accept only calls originating from the
Proxy server while rejecting all other calls that don’t appear in this table.
Filter Calls to IP
[FilterCalls2IP]
Enables filtering of Tel-to-IP calls when a Proxy is used (i.e., IsProxyUsed
parameter is set to 1 -- refer to ''Proxy & Registration Parameters'' on
page 112).
[0] Don't Filter = device doesn't filter calls when using a Proxy.
(default)
[1] Filter = Filtering is enabled.
When this parameter is enabled and a Proxy is used, the device first
checks the 'Tel-to-IP Routing' table before making a call through the
Proxy. If the number is not allowed (i.e., number isn't listed in the table or
a call restriction routing rule of IP address 0.0.0.0 is applied), the call is
released.
Note: When no Proxy is used, this parameter must be disabled and
filtering is according to the 'Tel-to-IP Routing' table.
Enable Digit Delivery to
IP
[EnableDigitDelivery2I
P]
The Digit Delivery feature enables sending DTMF digits to the destination
IP address after the Tel-to-IP call is answered.
[0] Disable = Disabled (default).
[1] Enable = Enable digit delivery to IP.
To enable this feature, modify the called number to include at least one 'p'
character. The device uses the digits before the 'p' character in the initial
INVITE message. After the call is answered, the device waits for the
required time (number of 'p' multiplied by 1.5 seconds) and then sends
the rest of the DTMF digits using the method chosen (in-band or out-of-
band).
Note: The called number can include several 'p' characters (1.5 seconds
pause), for example, 1001pp699, 8888p9p300.
Enable Digit Delivery to
Tel
[EnableDigitDelivery]
Enables the Digit Delivery feature, which sends DTMF digits (of the called
number) to the device's port (phone line) after the call is answered [line
offhooked (FXS) or seized (FXO)] for IP-to-Tel calls.
[0] Disable = Disabled (default).
[1] Enable = Enable Digit Delivery feature for the FXO/FXS device.
Notes:
The called number can include characters 'p' (1.5 seconds pause) and
'd' (detection of dial tone). If character 'd' is used, it must be the first
'digit' in the called number. The character 'p' can be used several
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