BusinessPhone Communication Platform 4.0
Commands > Commands 1000...1999

## 1015
Pre-digits for number analysis

This command is used to assign routes and their members a number which may be used for number analysis. This parameter will be used primarily by TCD and LCR.

The number given should contain 1-4 digits.

TCD:

The number is used when an exchange has routes to other exchanges with completely or partly identical number series, to decide whether the calling party is entitled to make outgoing calls on that particular route.

Using command group 22, a number of routes (trunk numbers) may be opened for traffic. For each direction it is decided which of the TCD-categories 1-8 shall be open for the respective direction.

LCR:

This parameter is used to identify the direction of an outgoing line (trunk or tie line), i. e. to which network it is connected-a public network, a private network or a separate carrier network.

There is no rule which predigits have to be programmed. However, for all lines connected to the same network the same predigits have to be programmed. These predigits are only used for this network. For all lines connected to another network other predigits have to be programmed.

Example:

We have two trunks connected to a public network (700, 701). Additionally we have a tie line to a PABX-A (702). And finally we also have two tie lines to a PABX-B (703, 704).

Line | Predigits
700 | 00
701 | 00
702 | 505
703 | 7777
704 | 7777

Minimum required authority level from telephone: No

Accessible via BMS: Yes

Revision: A © Ericsson Enterprise 2003