Aastra M670i


Aastra 67xi Series Expansion Modules Offer increased Call Control

The M670i (536M) expansion module is designed to increase the power and flexibility of the 67xi Series SIP telephones. Up to three modules can be used with the 6753i, 6735i, 6737i, 6755i, 6757i, 6757i CT or 6739i telephone to create a powerful, feature rich console option. The M670i shares power and signaling with the phone, eliminating the need for additional wiring. Designed for receptionists, administrative assistants, call centre agents, power users, and executives who need to monitor and manage a large volume of calls on a regular basis, theĀ 6700i Series Expansion Modules provide an intelligent choice for all Enterprise IP environments.


  • LED for status indication
  • 36 programmable keys for programmable features
  • Up to 3 displays can be joined together

Ordering Information


Support & Downloads

Technical details

What's in the box

  • Aastra 536M (M670i) expansion module with attached cord
  • Footstand
  • Programmable keys paper sheet label
  • Phone mounting and wall mounting screws


This product comes with a 2 year manufacturer's warranty

Media downloads

Aastra M670i
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Aastra M670i
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