Version 5.8 323 September 2009
SIP User's Manual 6. Configuration Parameters Reference
Parameter Description
Prefix for External Line
[Prefix2ExtLine]
Defines a string prefix (e.g., '9' dialed for an external line) that
when dialed, the device plays a secondary dial tone (i.e.,
stutter tone) to the FXS line, and then starts collecting the
subsequently dialed digits from the FXS line.
The valid range is a one-character string. The default is an
empty string.
Notes:
You can enable the device to add this string as the prefix to
the collected (and sent) digits, using the parameter
AddPrefix2ExtLine.
This parameter is applicable only to FXS interfaces.
[AddPrefix2ExtLine]
Determines whether the prefix string for accessing an external
line (defined by the parameter Prefix2ExtLine) is added to the
dialed number as the prefix, and together sent to the IP
destination (Tel-to-IP calls).
[0] = Disable (default)
[1] = Enable
For example, if this parameter is enabled and the prefix string
for the external line is defined as "9" (using the parameter
Prefix2ExtLine), and the FXS user wants to make a call to
destination "123", the device collects and sends all the dialed
digits, including the prefix string, as "9123" to the IP destination
number.
Note: This parameter is applicable only to FXS interfaces.
Hook Flash Parameters
Flash Keys Sequence Style
[FlashKeysSequenceStyle]
Hook flash keys sequence style.
[0] = Flash hook (default) - only the phone's Flash button is
used, according to the following scenarios:
1) During an existing call, if the user presses Flash, the call
is put on hold; a dial tone is heard and the user is able to
initiate a second call. Once the second call is established,
on-hooking transfers the first (held) call to the second call.
2) During an existing call, if a call comes in (call waiting),
pressing Flash places the active call on hold and answers
the waiting call; pressing Flash again toggles between these
two calls.
[1] = Flash hook + digit - a sequence of Flash + 1 holds a
call or toggles between two existing calls; Flash + 2 makes
a call transfer.
Flash Keys Sequence Timeout
[FlashKeysSequenceTimeout]
Flash keys sequence timeout - the time (in msec) the device
waits for digits after the user presses the Flash Hook button
(Flash Hook + Digit mode - when the parameter
FlashKeysSequenceStyle is set to 1).
The valid range is 100 to 5,000. The default is 2,000.
Keypad Feature - Call Forward Parameters
Unconditional
[KeyCFUnCond]
Keypad sequence that activates the immediate call forward
option.
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