Nortel M3903 R3 Digital Phone (NTMN33GA70) Features
The Nortel M3903 R3 Digital Phone (NTMN33GA70) is a professional multiline business telephone designed for office personnel, technical specialists, and employees who require convenient access to multiple calling features. Part of the Nortel Meridian M3900 Series, the M3903 combines a three-line LCD display, programmable feature keys, dedicated telephone controls, and flexible accessory support.
The Nortel M3903 R3 Digital Phone provides an efficient solution for organizations maintaining compatible Nortel Meridian telephone systems. Its self-labeling feature keys and navigation controls simplify everyday call handling, while the ability to add compatible snap-in accessory cartridges offers additional flexibility for business communication requirements.
Key Features
- Multiline Digital Telephone: Supports multiple line appearances and telephone features through compatible Nortel Meridian systems.
- LCD Display: Three-line by 24-character display provides calling information and supported system menus.
- Two Programmable Feature Keys: Self-labeling keys with shift functionality provide access to up to four line or feature assignments.
- Four Softkeys: Provides convenient access to context-sensitive telephone functions.
- 11 Fixed Feature Keys: Dedicated buttons simplify access to commonly used telephone operations.
- Navigation Cluster: Allows users to navigate supported menus and telephone settings.
- Accessory Cartridge Support: Accommodates up to two compatible snap-in accessory cartridges.
- Flexible Installation: Supports desk or wall mounting with appropriate hardware.
- Professional Design: Suitable for office workstations, administrative departments, and technical environments.
Technical Specifications
- Manufacturer: Nortel
- Model: Meridian M3903 Release 3
- Part Number: NTMN33GA70
- Series: Nortel Meridian M3900
- Telephone Type: Multiline Digital Business Telephone
- Display: 3 Lines x 24 Characters
- Programmable Feature Keys: 2 with Shift Functionality
- Line/Feature Assignments: Up to 4
- Softkeys: 4
- Fixed Feature Keys: 11
- Navigation: Integrated Navigation Cluster
- Accessory Capacity: 2 Snap-In Cartridge Accessories
- Mounting: Desk or Wall
- Condition: Refurbished
- Warranty: 12 Months
Display and Call Management
The Nortel M3903 features a three-line, 24-character-per-line LCD display that provides convenient access to telephone information and supported calling functions. Two self-labeling programmable feature keys, combined with shift functionality, allow users to access up to four assigned lines or features.
Four softkeys and 11 fixed feature keys provide additional access to supported telephone operations. The integrated navigation cluster makes it easier to move through available menus and settings.
Accessory Cartridge Support
The Nortel M3903 R3 accommodates up to two compatible snap-in accessory cartridges. This design allows businesses to configure the telephone with supported accessories according to their communication requirements.
Note: Optional accessory cartridges are not included unless specifically stated in the product listing.
Compatibility
The Nortel M3903 R3 Digital Phone (NTMN33GA70) is designed for compatible Nortel Meridian telephone systems, including:
- Nortel Meridian 1
- Nortel Meridian Option 11C Mini
- Nortel Meridian Option 11C
- Nortel Meridian Option 61C
- Nortel Meridian Option 81C
- Nortel Meridian SL-100
Important: The M3903 requires a compatible Nortel digital telephone station connection and appropriate system programming. It is not intended for direct connection to a standard analog telephone line. Verify system compatibility before ordering.
Applications
- Administrative and professional office workstations
- Technical support and service departments
- Business environments requiring multiple line appearances
- Replacement of existing Nortel M3903 telephones
- Maintenance of Nortel Meridian telephone installations
Includes
- Nortel M3903 R3 Digital Phone (NTMN33GA70)
- 12-Month Warranty
Condition and Warranty
Condition: Refurbished.
The Nortel M3903 R3 provides a practical replacement option for businesses maintaining existing Nortel Meridian digital telephone systems.

