ESI IVX 128 Installation Manual download pdf (Page 5)

IVX 128 Plus: additional features

• LLB (line Loopback) — Sends the signal back right at the point it enters the chip before it hits the

framer. This helps determine if the line itself is good.

• NET LLB (network loopback) lets the carrier put the DLC 12 card’s CSU into any of the loopback modes.

Function 2134: Switch protocol selection

Use the scroll keys to select from the four switch options for your carrier.

• Nortel – DMS100

• AT&T/Lucent – 5ESS

• National – NI2 - Default

• Siemens - EWSD

Note: Most switches can emulate the various protocols. Please be sure to base your selection on the

protocol being used rather than the actual switch manufacturer. For example, your central office

could have a Nortel DMS 100 switch but have the span configured as NI2; in this instance, you

would select the option for National/NI2.

Function 2135: DID

With DID enabled, call processing will check first the pilot number table and then the DID table, and

route the call accordingly. Any number not found in the pilot number or DID tables (programmed in

Function 224) will be routed to the DID exception routing. With DID disabled, all calls will follow the

routing as programmed in PRI CO line programming (Function 2131).

Default: Disabled.

Function 225: Pilot number table

Every call on a PRI span is sent with the called number in the setup message. This means you can

determine whether to use a number as a pilot number or as a DID number. Pilot numbers are a means

of routing a company’s primary published phone number differently from a DID. The system supports

up to five pilot numbers, each with its own answer ring assignment. This is important, because the

dynamic channel allocation prevents you from routing based on channel. Pilot numbers can be routed

to an ID branch, department, extension or mailbox. This varies from DIDs in that, when a DID number is

routed to an extension, it is considered answered and follows the busy/no-answer routing of the

extension; but, with pilot numbers, the call will be routed to the extensions for live answer for the

designated number of rings, then can be routed to an ID branch in the event of busy/no-answer.

Note: This feature is accessible only if Function 2135 is enabled.

Enter the pilot number.

Enter the name for the pilot number.

Enter the maximum channels allowed for this pilot number.

Range: 1–23.

Default: 23.

Set answer ring assignments.

(For programming information, see step 6 in Function 2131, on page 3 of this document.)

Repeat steps 1–4 for the remaining pilot numbers.

1 2 3 4 5 6 7 8 9 10 ... 19 20

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ESI IVX 128 Installation Manual Page 5