Supports amplified headsets and one snap-in cartridge accessory for Analog Terminal Adapter or External Alerter & Recording Interface
The display-based user interface helps increase productivity by providing access to more features with fewer keys. The displays are bordered by programmable line/feature keys and interactive soft keys, providing quick access to features, options, and applications. The navigation cluster guides you through on-screen menus and prompts, giving an unparalleled level of customization and personalization.
All display-based M3900 phones feature self-labeling keys, which puts an end to paper labels and time-consuming set designation. The display immediately shows the lines and features assigned to each key for convenient access. As new features and services are introduced or programming changes occur, key labels are automatically updated, further simplifying desktop management. Self-labeling keys also enable users to personalize their feature key labels, helping to enhance productivity even further.
The M3900 series empowers you by providing unparalleled customization options for increased productivity and ease of use. You can customize the feature names displayed on the phone, choose from multiple ringing tones to help distinguish incoming calls, select from multiple languages, identify preferred name matching for incoming calls, and choose the format for the time and date.
With the “Smart” Mute feature, the M3900 series phone automatically senses whether you’re using the handset, headset, or handsfree, and mutes the correct path-helping you be sure your private comments stay private. With “Smart” Mute, you can also listen in on a conference call while you work on other tasks, without distracting the conference with extraneous background sounds.
Width: 8.50 in. (216 mm) Depth 1: 7.75 in. (197 mm) Depth 2: 6.75 in. (171 mm) Height 1: 5.13 in. (130 mm) Height 2: 7.00 in. (178 mm) Weight: 1.8 lb (0.82 kg) Color: Charcoal or Ash
Temperature: 0B: C to 50B: C (32B: F to 122B: F) Relative Humidity: 5% to 95% Auxiliary Power (M3902 and M3903 only): Local Plug-in AC Transformer for cartridge-style accessories Loop Length: 4,000 ft (1,220 m) 24 AWG
Meets or exceeds applicable CSA, UL, and EIA specifications. Complies with FCC requirements for hearing aid compatibility. Maximum handset volume control levels are compliant with the Americans with Disabilities Act (ADA).
X11 Software Release 24.2x and higher
Intelligent Peripheral Equipment (IPE) based Digital Line Card
MSL11 software and higher
M3900 Release 2 firmware and higher
Intelligent Peripheral Equipment (IPE) based Digital Line Card with Enhanced XPEC card
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