564 Business Communications Manager as hostN0008589 3.3Business Communications Manager as hostA Business Communications Manager that acts as a central voice mail location must be running atleast BCM version 3.5 or newer software. Other systems on the network can be running oldersoftware, as long as that software supports MCDN. In the case of another BusinessCommunications Manager system, this would require BCM version 2.5 or newer software. Youcan add up to 1000 mailboxes on Business Communications Manager voice mail, providing youhave entered adequate keycodes.CallPilot constraints:• To allow use of the auto attendant feature, you must ensure that the Allow Network Transferscheck box is selected in the CallPilot Manager.• To allow use of voice mail, you must ensure that the Enabled Redirected DN check box isselected in the CallPilot Manager.For details about setting up the CallPilot parameters and features, refer to the CallPilot ManagerSet Up and Operation Guide and the other CallPilot supporting documentation.Meridian system as hostIf you are using a voice mail system connected to a Meridian 1 as a host system, ensure that thesystems are set up to be compatible with each other:CallPilot compatibilityIf you are planning to use M-1 based CallPilot software for the voice mail system, there are nocompatibility issues.Meridian Mail compatibility issuesIf you are using Meridian Mail as the host system, ensure that the Meridian has the following:• Meridian Mail rel. 7 (MM7) or above• the appropriate number of PRI cards and D-channel handlers to support the PRI links to all theBusiness Communications Managers using the system.Special requirements:• Over a PRI SL-1 line: Meridian 1 must be on Release 19 or greater.• Over VoIP: Meridian one must be installed with an IPT card version 3.0 or newer• Meridian 1 requires the network ID of the Business Communications Manager, which isdefined under Dialing Plan, Private Network in the Unified Manager. This is a numberbetween 1 and 27, and is defined by the Meridian system administrator.