Avaya Business Communications Manager 5.0 - Planning and Engineering User Manual download pdf (Page 232)

232 Call security and remote access

Nortel Business Communications Manager 5.0

Planning and Engineering

NN40170-200 01.03 Standard

August 2009

CoS and DISA

The CoS password can define the set of line pools that may be accessed and

whether or not the user has access to the paging feature.

The class of service (CoS) that applies to an incoming remote access call is

determined by

• the filters that you apply to the incoming trunk

• the CoS password that the caller used to gain access to BCM.

• in cases where DISA is not automatically applied to incoming calls, the

remote caller can change the class of service by dialing the DISA DN and

entering a CoS password.

Remote users can access system lines, line pools, the Page feature, and

remote administration. The exact facilities available to you through remote

access vary depending on how your installer set up your system.

Attention: If the loop start line used for remote access is not supervised,

auto-answer does not function and the caller hears ringing instead of a

stuttered tone or the system dial tone.

CoS password definition

CoS passwords permit controlled access to the system resources by both

internal and remote users.

• When an internal user enters a CoS password at a telephone, the

restriction filters associated with the CoS password apply instead of the

normal restriction filters.

• Similarly, when a remote user enters a CoS password on an incoming

auto-answer line, the restriction filters and remote package associated

with their CoS password apply instead of the normal restriction filters and

remote package.

CoS password security and capacity

For security concerns, the following practices are recommended.

• Determine the CoS passwords for a system randomly and change them

on a regular basis.

• Users should memorize their CoS passwords and keep them private.

Typically, each user has a separate password. However, several users can

share a password or one user can have several passwords.

• Delete individual CoS passwords or change group passwords when

employees leave the company.

• A system can have a maximum of 500 CoS passwords for BCM450 and

maximum of 100 CoS passwords for BCM50.

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Avaya Business Communications Manager 5.0 - Planning and Engineering User Manual Page 232