Aastra M670i Expansion Module
Best expansion tool for professionals needing extra programmable desk phone keys.
Expand the capabilities of your desk phone with this module, adding 36 programmable keys equipped with status LEDs. It significantly enhances phone functionality and allows for substantial customization by supporting up to three modules per phone. Power requirements vary by phone model, with some configurations needing an AC adapter. The module arrives in its original manufacturer packaging, guaranteed to be in excellent, blemish-free condition, and includes a 1-year warranty for your peace of mind.
$119.99
Owner Satisfaction
4.4
/ 5
Category Rank
170
/ 331
#170 in Input Devices
Price vs Category Average
-73%
Below average
Part Number
536
/ M
Who it's for
- Receptionists managing high call volumes and multiple line appearances
- Office workers needing dynamic, easy-to-read status updates
- Power users requiring extensive customization for complex workflows
Who should skip it
- Professionals with limited desk space or minimalist workspaces
- Budget-conscious buyers looking for an all-in-one phone solution
- Users wanting to avoid extra power adapters and cable clutter
Performance breakdown
Programmable Capacity
Thirty-six dedicated keys provide extensive shortcuts for power users.
Scalability
Daisy-chaining three units creates a massive command center for busy desks.
Visual Feedback
Integrated status LEDs offer immediate clarity on line and contact activity.
Compatibility Range
Seamlessly integrates with core Aastra 6700 series professional desk phones.
Build Integrity
Ships in original packaging with a robust, blemish-free factory finish.
Installation Complexity
Requires careful attention to power configurations for optimal multi-module setups.
Key Specs
Part Number
536M
Keys
36 with LEDs
Maximum Modules Supported
3 per phone
Compatible Models
Aastra 57i, 57i CT, 6735i, 6737i, 6739i
Voltage Requirement
48V (for some configurations)
Condition
New
Know before you buy
This module is compatible with the Aastra 57i, 57i CT, 6735i, 6737i, and 6739i desk phone models.
Yes, you can daisy-chain up to three M670i modules per phone to significantly increase your number of programmable keys.
Power requirements depend on your specific phone configuration. While some setups draw power directly from the phone, others may require an additional AC adapter to function properly.
These units are brand new, arrive in their original manufacturer packaging, and are guaranteed to be in excellent, blemish-free condition.
Yes, every unit is backed by a 1-year warranty to ensure your peace of mind regarding performance and reliability.
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Ready to buy?
$120