How do I activate and use the Smart button on my Jabra Speak 510?

Prerequisites

• Jabra Speak 510, version D* or later
• Jabra Speak 510+, version F* or later
• Jabra Direct version 3.x or later

To use the Smart button to activate the voice assistant on your smartphone (such as Siri, Google Assistant, Cortana), or to speed dial a phone number using your softphone, install Jabra Direct. Then in the Smart button settings, select the function.

*The Ver. ID is located on the bottom of the Jabra Speak 510.
Earlier Jabra Speak 510 variants (without the Smart button) have version ID: A, B, or C.
Earlier Jabra Speak 510+ variants (without the Smart button) have version ID: A, B, C, or D.