AT&T 7300 series Network Administration, Private Network Trunks, Networking Feature Parameters

COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW 2-17

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∙When an IXC facility is chosen and the caller dialed an AT&T number. In this case, ARS can be used to insert an IXC prefix.

∙When an AT&T facility is chosen and the caller dialed an IXC number. In this case, ARS can be used to delete the IXC prefix. (Generic 1 only.)

∙When the call is being routed through other private switches that do not have networking software. In this case, ARS can be used to prefix the called number with the dial access code (DAC) of the trunk group it wants the next switch to use to route the call.

∙When the call is toll call and the chosen facility expects a prefix of 1. In this case, ARS can be used to insert a prefix of 1.

Modifying the digits in ARS is not done automatically. Digit modification is administered for each routing pattern preference. The administration tells the system how many digits to delete and insert before sending the call to its destination.

NETWORK ADMINISTRATION

It is important to know which terminals and systems you can use to administer the network, given the type and version of communications system you are administering. Table 2-4tells you which administration terminals and systems are compatible with given communications systems. Note that, even though a terminal or system can administer a given communications system, all the network administration procedures and screens may not be available through it. Refer to the terminal or system documentation to determine which administrative tasks it can perform. (See appendix A, Related Documents, for the names and numbers of this documentation.)

In addition to using these systems and terminals for network administration, you may opt to contract for network administration through the QualNet Enhanced Support Program centers or through ACCUMASTER® Management Services.

PRIVATE NETWORK TRUNKS

To determine the types of trunks you can use to connect your private network, refer to the Trunking section in chapter 1 of this manual. There you will also find recommendations for the administration for each trunk type.

NETWORKING FEATURE PARAMETERS

The following table lists several parameters associated with certain network features of the AT&T private switching systems.