Mitel 6800 / Aastra 6700i / 6800i Series IP/SIP Phones

Aastra M670i (536M) Expansion Module

  • Like New: $199.98
Availability: In Stock
$199.98
$199.98
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Aastra M670i (536M) Expansion Module

The Aastra M670i (536M) Expansion Module provides support for additional programmable keys. It provides 36 programmable keys and up to three expansion modules. Each button on the module has an LED status indicator that alerts users to the status of lines or extensions in a busy lamp field configuration.


Features

  • 36 keys with LEDs
  • Connect up to 3 expansion modules per supported phone model
  • LED Status Indicators

Compatibility

  • Aastra 57i, 57i CT, 6735i, 6737i, and 6739i
  • Aastra 57i and 57i CT - no power supply required
  • Aastra 6735i and 6737i - AC adapter is required if using more than a single expansion module
  • Aastra 6739i - AC adapter is required if using any expansion modules (not included; see option below)

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C.Pitts Verified Customer   
03-26-25

We were in search of phones that had been discontinued for quite some time, and I am delighted to have discovered this website. The entire process-from placing the order to receiving the devices-was seamless and highly efficient. The website is clean, user-friendly, and easy to navigate, which made browsing and purchasing straightforward. After placing the order, the phones arrived within the promised time frame and were in excellent condition. The company provided timely updates regarding the status of my order without overwhelming me with unnecessary promotional messages. This level of communication was both reassuring and professional. I highly recommend this company/website, especially for those seeking older, discontinued devices.

Jahlawny E. Verified Customer   
03-26-25
Matthew S. Verified Customer   
03-26-25

The price is more than fair! I'm looking forward to receiving my order.