Mitel 5603 Wireless Handset User Guide
In Call
The In Call menu can be reached during an ongoing call by pressing the "More" soft key
Note: If configured in the PDM/WSM, you can call an emergency call while the handset/keypad is locked. When calling from a locked handset you can access the Microphone on/off function only from the In Call menu. During an ongoing emergency call you cannot access the In Call menu.
* Visible if enabled/defined in PDM/WSM
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