# ISDN Called Party Inward Dialing Modification

## Purpose

Inward Dialing Modification allows you to alter the dial strings of inbound calls for a link.

Use this form to select the digit modification rule to apply to the ISDN "called party" type headers of inbound calls. Use the Inward Dialing Modification form to create the rules.

To manipulate the originating (calling party) number, use the ISDN Calling Party Inward Dialing Modification form.

See Program EmbFedded PRI/QSIG Trunks for additional programming requirements and procedures.

## Conditions

- Applies only to embedded E1 ISDN links programmed as Euro Standard protocol.

- Inward Dialing Modification is performed AFTER Inward Dialing Prefixes are applied. To avoid confusion (and misdials), use one version of modification to alter the dial string.

## Field Descriptions

Parameter | Description | Default Value
ISDN Called Party Inward Dialing Modification
Controller Module | System-generated, protected field. The Controller module number. |
Port | System-generated, protected field. The port number within the controller module. |
Link Number | System-generated, protected field. The link number associated with the controller module and port number. |
Interface Type | System-generated, protected field. The programmed interface type. |
Protocol | System-generated, protected field. The programmed protocol. |
Protocol Variant | System-generated, protected field. The programmed protocol variant. |
Called Party Inward Dialing Modification
Index | System-generated, protected field. Each index number represents a unique inward dialing modification rule. Only one rule is applied. |
Digits to Match | System-generated, protected field. The digits to match at the beginning of the dial string in inbound calls. |
Digit Length Operator | System-generated, protected field. The digit length operator to apply to the incoming call. Valid operators: undefined equal to less than greater than greater than or equal to less than or equal to |
Digit Length | System-generated, protected field. The number of digits to match (0-32) at the beginning of the dial string in inbound calls. |
Number of Digits to Absorb | System-generated, protected field. The number of digits to absorb (0-32) at the beginning of the dial string in inbound calls. |
Digits to be Inserted | System-generated, protected field. The string to insert at the beginning of the dial string in inbound calls. |
Add Member | Select an index number between 1 and 100. Index numbers refer to the digit modification rules programmed in the Inward Dialing Modification form. If the initial digits of an inbound ISDN Called Party number sent over this link match the criteria programmed for this index number, the system will modify the number. |
Delete Member | Select an index number to delete from the list. |