Call-By-Call Services - Nortel BCM50 Configuration Manual

236 Chapter 24 Dialing plans
Supporting protocols
The following protocols support Call-by-call limits:
• National ISDN 2 (NI-2)
• DMS-100 custom
• DMS-250
• AT&T 4ESS custom

Call-by-Call services

BCM supports the Call-by-Call Services listed in
Table 39 Call-by-Call Services available on the system
Service
Public
Foreign Exchange (FX)
TIE
OUTWATS
INWATS
International INWATS
Switched Digital
Nine Hundred
Private
NN40020-603 NN40020-603
Description
Public calls connect BCM and a Central Office (CO). BCM supports both
incoming and outgoing calls over the public network. Dialed digits conform to
the standard North American dialing plan (E.164 standard).
Foreign exchange service connects a BCM site to a remote central office
(CO). This provides the equivalent of local service at the remote location.
TIE lines are private incoming and outgoing lines that connect Private Branch
Exchanges (PBXs) such as another BCM.
Outward Wide Area Telecommunications: This outgoing call service allows a
BCM user to call telephones in a specific geographical area referred to as a
zone or band. Typically, a flat monthly fee is charged for this service.
Inward Wide Area Telecommunications: This long-distance service allows a
BCM user to receive calls originating from specified areas without charge to
the caller. A toll-free number is assigned to permit reverse billing.
An international long-distance service that allows a BCM user to receive
international calls originating from specified areas without charge to the caller.
A toll-free number is assigned to permit reverse billing.
This service provides premises-to-premises voice and data transport with call
management and monitoring features.
This service is commonly referred to as fixed-charge dialing.
Private incoming and outgoing calls connect BCM to a virtual private network.
Dialed digits can conform to the standard North American dialing plan (E.164
standard) or the dialed digits can use a private dialing plan.
Table 39.