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20 Chapter 1 Introducing the Business Communications Manager
P0609324 01
Telephony components
The telephony components perform call processing by connecting the telephones or peripheral
telephony equipment, such as fax machines, to the Public Switched Telephone Network (PSTN)
lines. They also process telephony information that has been received through an IP link.
• MSC — The Media Services Card (MSC) is a PCI card which performs call processing and
media processing of the voice channels. The BCM100 MSC contains two PEC IIIs that
provide voice channel processing for the MSC. You can upgrade your system with two
additional PEC IIIs. Refer to “Media Services Card” on page 22.
• CTM (North American systems only) — The Calling line identification (CLID) Trunk media
bay module (CTM) connects to four analog CLID PSTN lines.
• CTM 8 (North American systems only) — This CLID Trunk media bay module (CTM)
connects to eight analog CLID PSTN lines.
• GATM4 (global markets) — Replaces the CTM. Provides an option for automatically
downloading new firmware from the main system for selected country profiles.
• GATM8 (global markets) — Replaces the CTM8. Provides an option for automatically
downloading new firmware from the main system for selected country profiles.
• 4X16 (North American systems only) — This module combines a four-line CLID Trunk
media bay module (CTM) with a 16-line Digital Station media bay module.
• DTM — The Digital Trunk media bay module (DTM) connects to standard digital PSTN T1,
E1 or PRI lines.
• BRI — The Basic Rate Interface media bay module (BRI) connects to four BRI S/T ISDN
lines. (NT1 required. S interface for European profiles; T interface for North American-based
profiles)
• ASM 8 (North American systems only) — The Analog Station media bay module (ASM 8)
connects to eight analog telephones or other analog equipment such as fax machines.
• ASM 8+ (Global) — This enhanced Analog Station media bay module has the same
functionality as the ASM 8, plus it supports CLID, message waiting indicators, disconnect
supervision and automatic firmware downloads. This module can also be programmed for any
of the four offsets on a Full Double Density DS30 bus.
• DSM 16 — The 16-port Digital Station media bay module (DSM 16) connects to a maximum
of 16 digital telephones.
• DSM 16+ — This Digital Station media bay module provides the same functionality as the
DSM 16. This module can be set to single or double density. Double density settings allow the
module to support 16 telephones on one offset, allowing two modules per DS30 bus.
Note: You can upgrade the PEC Is on your 2.0 BCM1000 to PEC IIIs.
You cannot mix PEC Is with PEC IIIs. You must be running Business Communications
Manager 2.5 software or greater to allow this.