Avaya BCM 2.0 Programming Guide de l'utilisateur télécharger pdf (Page 376)

376 Appendix B: ISDN Overview

Enterprise Edge 2.0 Programming Operations Guide P0911588 Issue 01

Outwats

Outwats is for outgoing calls. This allows you to originate calls to telephones in a

specific geographical area called a zone or band. Typically a flat monthly fee is

charged for this service.

Inwats

Inwats is a type of long distance service which allows you to receive calls

originating within specified areas without a charge to the caller. A toll-free number

is assigned to allow for reversed billing.

Consult your customer service representative to determine whether or not this

feature is compatible with your provider.

Emergency 911 dialing

The ISDN PRI feature is capable of transmitting the telephone number and internal

extension number of a calling station dialing 911 to the Public Switched Telephone

Network. State and local requirements for support of Emergency 911 dialing

service by Customer Premises Equipment vary. Consult your local

telecommunications service provider regarding compliance with applicable laws

and regulations. For most installations the following configuration rules should be

followed, unless local regulations require a modification.

• All PSTN connections must be over PRI

• In order for all sets to be reached from a Public Safety Answering Position

(PSAP), the system must be configured for DID access to all sets. In order to

reduce confusion, the dial digits for each setshould be configured to correspond

to the set’s extension number

• The OLI digits for each set should be identical to the DID dialed digits for the

set

• The routing table should route “911” to a PRI line pool

• If attendant notification is required, the routing table must be set up for all 911

calls to use a dedicated line which has an appearance on the attendant’s console

• The actual digit string “911” is not hard-coded into the system. More than one

emergency number can be supported

If transmission of internal extension numbers is not required or desired, then it is

recommended that the person in charge of the system maintain a site map or

location directory that allows emergency personnel to rapidly locate an Enterprise

Edge set given its DID number. This list should be kept up to date and readily

available.

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Avaya BCM 2.0 Programming Guide de l'utilisateur Page 376