Avaya Business Communications Manager 5.0 - Planning and Engineering User Manual download pdf (Page 229)

Call security and remote access 229

Nortel Business Communications Manager 5.0

Planning and Engineering

NN40170-200 01.03 Standard

August 2009

Direct inward system access

To control access from the public or private network, you can configure auto-

answer trunks to answer with DISA. Remote callers hear a stuttered dial tone

and must then enter a CoS password that determines what they are allowed

to do in the system.

• Auto-answer T1 loop start and T1 E&M trunks are configured to answer

with DISA by default.

• T1 DID trunks: You cannot configure T1 DID trunks to answer with DISA.

If you want incoming T1 DID calls to be answered with DISA, configure the

system with a DISA DN. Incoming T1 DID calls that map onto the DISA

DN are then routed to a line that has DISA.

• You cannot program a DISA DN or Auto DN to VoIP trunks, because they

act as auto-answer lines for private networks. However, you still need to

assign remote access packages to the VoIP trunks, to ensure that remote

access restrictions are properly applied to incoming calls trying to access

the system or the system network.

Also refer to the following information:

• Remote DISA line settings (page 229)

• Remote DISA on loop start trunks (page 230)

• Remote DISA on a T1 DID and PRI trunk (page 230)

• Remote DISA on DPNSS lines (page 230)

• Remote DISA on a private network (page 231)

Remote DISA line settings

The remote access feature allows callers elsewhere on the private or the

public network to access your BCM by dialing directly and not going through

the attendant. After the remote user is in the system, they can use some of the

system resources. You must enable remote access in programming before

callers can use it.

BCM supports remote system access on a number of trunk types which may

require the remote caller to enter a password for DISA.

The system resources, such as dialing capabilities, line pool access and

feature access, that a remote user may access depends on the CoS password

assigned to them. See CoS password definition (page 232).

Attention: Callers remotely access the BCM remote features setting by

pressing * and the appropriate page code. See Nortel Business

Communications Manager 5.0 Configuration—Devices (NN40170-500) for a

list of feature codes.

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Avaya Business Communications Manager 5.0 - Planning and Engineering User Manual Page 229