Nortel Meridian M3900 Reference Manual page 103

Table 26
Meridian SL-100 /M3900 Phase 3 feature compatibility (Continued)
Feature
PC Utility Adapter
Full Duplex Handsfree Accessory
Secondary DN Dialing
One-button Feature Access Keys
M3905 Phase 3 set
Redial & Callers List Erase (Virtual Office)
Note 1: Full Icon Support is also compatible with Key-based Expansion Modules and Display-based Expansion
Modules.
Note 2: With appropriate patches applied.
Note 3: M3904 Phase 1 and 2 sets cannot be firmware upgraded to a Phase 3 set supporting Full Duplex
Handsfree. A new M3904 Phase 3 set is required to support the Full Duplex Handsfree Accessory.
Note 4: Secondary DN Dialing is available on the M3903, M3904, and M3905 Phase 3 sets with MSL11 and
above; however, the message "Select Free Line" that is displayed on the M3905 is not available until MSL15.
M3900 telephone sets and accessories minimum firmware and
release numbers
The M3900 Release 2 telephone sets and expansion modules that are
supported on the Meridian SL-100 require the minimum firmware
releases that Table 27 shows.
Table 27
M3900 Release 2 minimum firmware releases
Component
M3902
M3903
M3904
M3905
Key-based Expansion Module
Display-based Expansion Module
Meridian SL-100 M3900 Meridian Digital Telephones Reference Guide
Features, firmware, and software management 103
Minimum
MSL Release
MSL11
2
MSL11
(XPM14)
MSL11
MSL15
MSL11
N/A
Minimum firmware/Release numbers
Firmware version 4.0
Firmware version 5.2
Firmware version 4.6
Firmware version 4.8
Release 02
Release 06
M3902 M3903 M3904
3
Feature not available on Meridian
SL-100.
M3905
4