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7-72
ADMINISTRATION OPTIONS AND REQUIREMENTS — GENERIC 2
Field 3 Specifies a mapped from codeset number. Permitted encodes are 0 to 7. These
numbers correspond to the respective codesets on a number-per-number basis.
NOTE: Currently, codeset 1 through codeset 5 are reserved for future use.
Thus, only encodes 6 and 7 are applicable for the codeset fields.
If field 2 is translated (0) for incoming then encode (7) is appropriate for field 3.
If field 2 is translated (1) for outgoing then encode (6) is appropriate for field 3.
Identifies the IE code to be mapped from. Field encodes and their descriptions are:
– (Dash) is available but not recommended. If a dash were translated, all IEs
would be mapped from one codeset to the other codeset on a one-to-one basis.
Because some codeset 7 IEs are different from their numerical equivalent in
codeset 6, it is generally NOT desirable to map on a one-to-one basis.
Table 7-8, Codeset Differences, identifies current IE differences between codeset
Field 4
6 and codeset 7.
TABLE 7-8. Codeset Differences
Field 5
Field 6
Field 7
IE Name
Codeset 6
Codeset 7
Traveling Class Mark
8
8
Logical Link Identification
26
4
Display
40 40
Packet Layer Parameters
62
2
Link Layer Parameters
64
1
number Any number within the range of (0 through 127).
Specifies a mapped-to codeset number. Permitted encodes are numbers within the
range (0 through 7) These numbers correspond to the respective codesets on a
number-per-number basis.
If field 2 is translated one for incoming, then encode seven is appropriate for field 5.
Identifies the IE code to be mapped to. Permitted encodes are the same as field 4.
Each code set map number may contain up to a maximum of 255 incoming and 255
outgoing mappings. This display-only field shows the number of mappings that
remain (the number of unassigned mappings).
Procedure 354 Word 3: NPA-NXX Digits Assignment
This word and procedure are used to administer the ISDN numbering plan. Depending on the switch
configuration, there may be more than one ISDN numbering plan. Contents of these fields make up
a part of the calling number identification. This is used to transmit information such as the Station
Identification Number (SID) and the connected number. The SID is transmitted in the calling
number IE, which is a part of the setup message. Figure 7-33, Procedure 354 Word 3: NPA-NXX
Digits Assignment (Generic 2), depicts this procedure.