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DEFINITY ECS Release 8.2
Administrator’s Guide
555-233-506
Issue 1
April 2000
Screen reference
749ISDN trunk group
17
Digit Handling (in/out)
This field defines whether overlap receiving and overlap sending features are
enabled. Set the field to
overlap when you want overlap receiving or overlap
sending. Set to
enbloc when you do not want these features enabled. The first
field value indicates digit receiving and the second value indicates digit sending.
There are 4 possible combinations:
enbloc/enbloc, enbloc/overlap,
overlap/enbloc, and overlap/overlap.
Without overlap receiving or sending enabled, the digits on incoming and
outgoing calls are sent enbloc. If the Digit Handling field is
overlap/enbloc or
overlap/overlap, the following results:
— Incoming Call Handling Treatment table does not appear
— The Digit Treatment and Digits fields appear
— Warning message indicates that all Incoming Call Handling entries are
removed when screen is submitted
— When screen is submitted with these values, all Incoming Call Handling
entries are removed
Far End Test Line No.
Specifies the number sent to the far-end’s ISDN test line extension. When the test
trunk long command is issued, this exact number is sent to the far-end to establish
a call that tests the integrity of the trunk member under test. The number does not
pass through routing or undergo digit manipulation. The digits entered must be
what the far-end expects. For example, for an ISDN tandem trunk, the far-end test
number should be a 7-digit ETN (Electronic Tandem Network) number. Up to 15
digits may be entered in this field.
Max Message Size to Send
Defines the maximum size of ISDN messages sent by the switch. Currently, the
system can receive 260 byte messages. Valid entries are
128, 244, 256, and 260.