User guide

BROOKTROUT CONFIGURATION FILES

Configuration Parameters

for T1 ISDN 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)

disable_conn_ack

Specifies a Boolean value that determines whether the system sends a connection

acknowledgment after receiving a connect message from the network. Set the

parameter as follows:

FALSE = The system sends a connection acknowledgment message after

receiving a connect message from the network.

TRUE = The system does not send a connection acknowledgment message

after receiving a connect message from the network.

Default value: FALSE

emulation

Defines whether to configure the trunk for Central Office (CO) or Customer Premise

Equipment (CPE) protocol emulation. For testing purposes only. Valid values include:

CO = Emulates the CO protocol

CPE = Emulates the CPE protocol

Default value: CPE

line_build_out

Specifies one of the following values that defines the length of the telephony cable

connection between the board and the T1 service:

0_133 = Specifies a length of 0 to 133 feet

133_266 = Specifies a length of 133 to 266 feet

266_399 = Specifies a length of 266 to 399 feet

399_533 = Specifies a length of 399 to 533 feet

533_655 = Specifies a length of 533 to 655 feet

7_5_DB = Specifies a length of negative 7.5 dB

15_DB = Specifies a length of negative 15.0 dB

22_5_DB = Specifies a length of negative 22.5 dB

Default value: 0_133