Aastra M670i (536m) Information:
The Aastra M670i expansion module was created to enhance the strength and resilience of Aastra's 5i Series phones. Up to 3 consoles may be used alongside Aastra's 55i, 57i or 57i CT phones to make for a strong, full-featured console option. The Aastra M670i shares power duties and signaling with the telephone, which eliminates the need for any unnecessary extra wiring. Created with receptionists and power users in mind, the Aastra M670i allows users to handle a high volume of calls.
The Aastra 536M expansion module comes fully equipped with LED status indicators and support a wide variety of programmable features including speed dial, busy lamp field, do not disturb and much, much more!
Mfg. Part Number: A1736-0000-1055
UPC Code: 775668808090
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