second rings). If the second ring signal is not received within
this timeout, the device doesn't initiate a call to IP.
If automatic dialing is used, the device initiates a call to IP
when the ringing signal is detected. The FXO line is seized
only if the remote IP party answers the call. If the remote party
doesn't answer the call and the second ring signal is not
received within this timeout, the device releases the IP call.
This parameter is typically set to between 5 and 8. The default
is 8.
Notes:
 This parameter is applicable only for Tel-to-IP calls.
 This timeout is calculated from the end of the ring until the
start of the next ring. For example, if the ring cycle is two
seconds on and four seconds off, the timeout value should
be configured to five seconds (i.e., greater than the off
time, e.g., four).
Web: Rings before Detecting Caller
ID
EMS: Rings Before Caller ID
[RingsBeforeCallerID]
Determines the number of rings before the device starts
detecting Caller ID.
 [0] 0 = Before first ring.
 [1] 1 = (Default) After first ring.
 [2] 2 = After second ring.
Web/EMS: Guard Time Between
Calls
[GuardTimeBetweenCalls]
Defines the time interval (in seconds) after a call has ended
and a new call can be accepted for IP-to-Tel (FXO) calls.
The valid range is 0 to 10. The default is 1.
Note: Occasionally, after a call ends and on-hook is applied, a
delay is required before placing a new call (and performing off-
hook). This is necessary to prevent incorrect hook-flash
detection or other glare phenomena.
Web: FXO Double Answer
[EnableFXODoubleAnswer]
Enables the FXO Double Answer feature, which rejects
(disconnects) incoming Tel (FXO)-to-IP collect calls and
signals (informs) this call denial to the PSTN.
 [0] Disable (default)
 [1] Enable
Note: This feature can also be configured in a Tel Profile.
43.10.10 Hunt Groups and Routing Parameters
The routing parameters are described in the table below.
Table 43-57: Routing Parameters
Parameter Description
Endpoint Phone Number Table
Web: Endpoint Phone Number Table
EMS: SIP Endpoints > Phones
[TrunkGroup]
This table parameter configures and activates the device's
endpoints. This is done by defining telephone numbers and
assigning them to Hunt Groups. The format of this
parameter is shown below:
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