Model 536 and 560 Expansion Modules

Additional modules (up to 3 total modules) can be piggy-backed to an existing module providing an additional 108 softkeys with 536EMs and an additional 180 softkeys with 560EMs. You connect the additional modules to the right side of an existing module. The following figure illustrates the addition of multiple 536EM modules on the 57i IP Phone.

You can configure the softkeys using the Aastra Web UI.

References

For more information about configuring softkeys, see Softkeys on page 24.

For more information about installing 536EM and 560EM modules on your phone, see the Aastra 57i IP Phone Installation Guide.

142Model 57i CT IP Phone User Guide

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Aastra Telecom 57i CT IP Phone manual References