help | 5 Swyx Desktop for macOS Configuration | Options | Define phone numbers
Define phone numbers
You are using more than one phone number? Within the settings you can define which of your phone numbers should be signalled as default on outgoing calls. Furthermore you can configure to hide your number to make an anonymous call.
To define your default phone number 
1 Click on Settings and select the tab Options.
2 Click on Numbers....
*The “Caller Identification” window opens.
3 Click on the phone number which should be signalled on outgoing calls.
*The selected number is indicated by a check mark.
4 Confirm the selection by clicking on Done.
To hide your phone number for outgoing calls 
1 Click on Settings and select the tab Options.
2 Click on Numbers.....
*The “Caller Identification” window opens.
3 Activate Hide number.
4 Confirm the selection by clicking on Done.
*As of now, your number will not be displayed on outgoing calls.
* 
This setting will remain in place until you disable the option.
 
* 
The “Hide phone number" function is not available in CTI mode.
Last modified date: 12.17.2021