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ADMINISTRATION OPTIONS AND REQUIREMENTS — SYSTEM 85
7-33
Field 15 The APLT type services are not applicable in the ISDN-PRI environment.
Therefore, for trunk groups using ISDN-PRI facilities, this field is ignored. Refer to
Appendix C, Administrative Procedure Summary, for more information about the
dynamic 120 trunk types.
Field encodes and their descriptions are:
0
When APLT services are not available for analog or DS1/DMI-BOS facilities
1
When APLT services are available for analog or DS1/DMI-BOS facilities.
Field 16
Field 17
Assigns whether disconnect supervision is
(1)
or is not
(0)
provided.
NOTE: The ISDN-PRI protocol provides disconnect supervision. Therefore,
this field is ignored by ISDN software.
V4 Only
Assigns whether the trunk group may be used to support modem pool calls. Field
encodes and their descriptions are:
0
1
When AVD is not provided (that is, insert a modem). This includes voice and
digital data. This option is required for all trunk groups that support modem
pool calls including voice and digital data.
When the AVD option is provided (that is, do not insert a modem).
Procedure 103 Word 1: Trunk Group Digit Collection and Trunk-Side BC
This procedure is used to translate the trunk group network parameters. Figure 7-14, Procedure 103
Word 1: Network Trunk Group Translations (System 85 R2V4), depicts procedure 103, word 1.