User guide
BROOKTROUT CONFIGURATION FILES
75
Configuration Parameters
for T1 ISDN Ports
FALSE = Requests that the system puts all the B-channels in service as soon
as the D-channel is in service.
TRUE = Requests that the system waits for the network to specifically enable
each B-channel on the trunk before allowing the application to use a B-channel.
Default value: Depends on the value set in the switch_type parameter.
wait_for_conn_ack
Specifies a Boolean value that determines whether the system waits for the network to
acknowledge a connect request before notifying the application that a call has been
answered. Set the parameter as follows:
FALSE = Specifies that the system does not wait for the network to
acknowledge a connect request before advancing an incoming call to the
connected state.
TRUE = Requests the system to wait for the network to acknowledge a connect
request before advancing an incoming call to the connected state.
Default value: FALSE
Configuration Parameters
for T1 RBS Ports
did_offset
Specifies a value that defines the number of digits to remove from the beginning of the
string of DID digits received from the network. Valid values are:
0 = Does not remove any DID digits
1 - 63 = Specifies the number of digits to remove
Range: 0 through 63
Default value: 0
did_timeout
Specifies a value that defines the maximum timeout allowed before processing the call
after assuming receipt of the last DID digit. Valid values are:
0 = Indicates no waiting time
1 - 20 = Specifies the number of seconds to allow after receiving the last DID
digit before processing the call
Unit: second
Range: 0 through 20
Default value: 10 (used when the API does not find another value for this parameter)
flash_hook_
duration
Specifies a value for the duration of a flash hook signal. This parameter defines the
amount of time to place the line on hook (loop current dropped) during a flash hook.
Set the value in units of 10 ms.
Unit: 10 ms
Range: 1 - 500
Default value: 50
line_build_out
Specifies one of the following values that defines the length of the telephony cable