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DEFINITY ECS Release 8.2
Administrator’s Guide
555-233-506
Issue 1
April 2000
Screen reference
777ISDN-BRI Trunk Circuit Pack
17
CPN Prefix
Use this field to specify the number that is added to the beginning of the extension
to form a Calling or Connected Number.
Total CPN Len
ISDN-BRI Trunk Circuit Pack
This screen administers an ISDN-BRI circuit pack. See DEFINITY ECS System
Description for information on the maximum number of ISDN-BRI circuit packs
that you can administer.
Valid entries Usage
1 to 15 digits Only digits are allowed in the CPN Prefix column. Leading
spaces, or spaces in between the digits, are not allowed.
■ If the length of the CPN Prefix matches the Total CPN
Length, the extension number is not used to formulate the
CPN number.
■ If the number of digits in the CPN Prefix plus the extension
length exceeds the administered Total CPN Length, excess
leading digits of the extension are deleted when
formulating the CPN number.
■ If the number of CPN Prefix digits plus the extension
length is less than the Total CPN Length, the entry is not
allowed.
■ If the Total CPN Length is 0, no calling party number
information is provided to the called party and no
connected party number information is provided to the
calling party.
blank If this field is blank, the extension is sent unchanged. This is
useful in countries where the public network is able to insert
the appropriate CPN Prefix to form an external DID number.
Valid entries Usage
0
to 15 Enter the total number of digits to send.