AT&T Telephone DS1/DMi/ISDN-PRI Manual do Utilizador descarregar pdf (Página 164)

100

101

7-28

ADMINISTRATION OPTIONS AND REQUIREMENTS — SYSTEM 85

ENHANCED MODE - PROCEDURE: 100, WORD: 3

TRUNK GROUPS - SIGNALING AND OTHER PARAMETERS

Trunk Group:

Signaling Type:

Glare:

Retry:

Outgoing Maintenance Busy Out Seizure:

Incoming Permanent Seizure:

Failure Threshold:

Optional ISDN Information Inhibited:

DISPLAY ONLY

Trunk Type:

Connected to CC0 ON-LINE

enter command:

(System 85 R2V4)

Field 1

Field 2

Field 3

Figure 7-12. Procedure 100 Word 3: Trunk Group/Trunk Type — Signaling Type Translations

Specifies a trunk group. Permitted entries include any not already used number

within the range of 18 to 999.

Administers or changes the signaling type for the trunk group.

For all ISDN trunking applications except DCS, glare is resolved by the ISDN

protocol. Glare is discussed in more detail in the chapter entitled "Network

Connections and Configurations" in this document. Specifically, ISDN negotiates

the losing call to a different channel if the original channel is preferred. Exclusive

calls (such as DCS) are not negotiated and the user hears the reorder tone. In either

case, the network has priority over the user when both calls are preferred or

exclusive. This capability is administered in procedure 262, word 1, and field 5.

Therefore, this field 3 entry may be any of the available encodes (0, 1, or 2) since

this field is ignored for ISDN applications.

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