Nortel M3900 Nortel M3900 EXP Expansion Module NTMN37BA – 22-Button Add-On Console for M3904 & M3905 Phones – Refurbished

Nortel M3900 EXP Nortel M3900 Key-Based Expansion

📄 Product Description

Boost the productivity and functionality of your Nortel M3900 series phone system with the Nortel M3900 Expansion Module NTMN37BA. Designed for seamless integration with the M3904 and M3905 digital desk phones, this expansion module delivers 22 additional programmable line or feature keys—ideal for users who require high-volume call management or fast access to system functions.

This refurbished add-on module connects directly to your existing phone, extending its capabilities without the need for additional desk real estate. The intuitive layout and clear labeling of keys help streamline workflows, making it a must-have accessory for receptionists, call center agents, or executive users.

The NTMN37BA EXP module supports key labeling for easy feature identification and comes fully tested and cleaned by certified technicians to meet rigorous quality standards. Backed by plug-and-play compatibility and robust Nortel build quality, this expansion module ensures long-term value and reliability.

Whether you’re upgrading a single desk or deploying in a large office, the Nortel M3900 EXP is your go-to solution for enhanced telephony performance.

✨ Features

• Compatible with Nortel M3904 and M3905 phones

• Adds 22 additional programmable feature or line keys

• Ideal for high-call-volume users or receptionists

• Fully refurbished and tested for quality and reliability

• Easy plug-and-play installation; no extra power required

• Designed for business-class digital telephony systems

• Slim and durable Nortel build for long-term use

• Key labeling support for quick feature access

🧠 Q & A

Q: What phones is this expansion module compatible with?
A: The Nortel M3900 EXP NTMN37BA is compatible with Nortel M3904 and M3905 digital desk phones.

Q: Is this product new or refurbished?
A: This is a professionally refurbished item, fully tested for functionality and cleaned to like-new condition.

Q: Does the module require external power?
A: No, it connects directly to the host phone and draws power from it.

Q: What can the programmable keys be used for?
A: The 22 buttons can be programmed for features like line appearances, speed dials, or system functions depending on your PBX setup.

Q: Is installation complicated?
A: Not at all. Simply connect the module to a compatible phone and it’s ready to use—no special configuration required.