Using COS passwords 307Programming Operations GuideNotes about COS passwordsThe COS password can define the set of line pools that may be accessed and whether or not theuser 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 Business Communications Manager.• in cases where DISA is not automatically applied to incoming calls, the remote caller canchange 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 (ifenabled through Software Keys). The exact facilities available to you through remote access varydepending on how your installer set up your system.Note: If the loop start line used for remote access is not supervised, auto-answer does not functionand the caller hears ringing instead of a stuttered tone or the system dial tone.!Security note:COS password security and capacity• Determine the COS passwords for a system randomly and change them on aregular basis.• Users should memorize their COS passwords and keep them private.Typically, each user has a separate password. However, several users canshare a password or one user can have several passwords.• Delete individual COS passwords or change group passwords whenemployees leave the company.• A system can have a maximum of 100 six-digit COS passwords (00 to 99).You can copy the restriction filters and remote package from one COSpassword to another. COS passwords must be unique.To maintain the security of your system, the following practices are recommended:• Warn a person to whom you give the remote access number to keep thenumber confidential.• Change COS passwords often.• Warn a person to whom you give a COS password, to memorize the passwordand not to write it down.• Delete the COS password of a person who leaves your company.!Security note: Remote users can make long distance calls.Remember that a remote user can make long distance calls that are charged to yourcompany. They can also access line pools and make page announcements in your office.
