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Page 148 of 504 M 3900 description
553-3001-367 Standard 3.00 August 2005
Accessory Connection Module
The Accessory Connection Module (ACM) provides the interface for adding
the Analog Terminal Adapter (ATA), Meridian External Alerter and
Recording Interface (MEARI), Computer Telephony Interface Adapter
(CTIA), Personal Directory PC Utility, and Full Duplex Handsfree (FDHF).
The ACM is available for the M3902, M3903, M3904 and the M3905. It also
Key-Based
Accessory Module
(KBA)
Release
24.24
Phase I NA NA Supports Supports
Meridian External
Alerter and
Recording
Interface (MEARI)
Release
24.24
Phase I Supports Supports Supports Supports
Full Duplex
Handsfree (FDHF)
Release
25.40
Phase III NA NA Supports
3
NA
Personal Directory
PC Utility
Release
24.24
Phase I NA NA Supports Supports
2
Headset
(non-amplified)
connects through
the direct connect
headset jack
NA Supports Supports Supports
Headset
(amplified)
connects through
the headset jack
Supports Supports Supports Supports
1. In the EMEA market region, the ATA is not supported on the M3902, M3903, or M3905.
2. M3905 Phase III firmware is required to support the Personal Directory PC Utility, DBA, and CTIA
accessories.
3. M3904 Phase III firmware and hardware are required to support Full-Duplex Handsfree accessory.
Table 22
M3900 series telephone accessories compatibility (Part 2 of 2)
Accessory
X11
release
introduced
M3900
phase
introduced
M3902 M3903 M3904 M3905