Administrator's Guide

Screen reference
555-233-506974 Issue 5 October 2002
Screen 161. ISDN Numbering Public/Unknown
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.
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.
change isdn public-unknown-numbering Page 1 of 8
ISDN NUMBERING - PUBLIC/UNKNOWN FORMAT
Total Total
Ext Ext Trk CPN CPN Ext Ext Trk CPN CPN
Len Code Grp(s) Prefix Len Len Code Grp(s) Prefix Len
5
4 73283__________ 10 __________ __
7 3646180 210 __________ 10 __________ __
_ __________ __________ __
__________ __________ __
_ __________ __________ __
_ ___________ __________ __
_ __________ __________ __
_ __________ __________ __
_ __________ __________ __
_ __________ __________ __
_ __________ __________ __
_ __________ __________ __
_ __________ __________ __