AT&T DS1/DMi/ISDN-PRI manual This field is ignored by Isdn software

	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:

0When APLT services are not available for analog or DS1/DMI-BOS facilities

1When APLT services are available for analog or DS1/DMI-BOS facilities.

Field 16	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.
Field 17	V4 Only
	Assigns whether the trunk group may be used to support modem pool calls. Field
	encodes and their descriptions are:
	0 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.
	1 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.