No one can hear me on the Intercom?

If you are able to hear the outside noise but the person is unable to hear you then please check your Settings to make sure Microphone is enabled. 

iPhone Users:

Settings > scroll to the Swiftlane App > make sure the "Microphone" is enabled as shown below:

Android User:

Settings > App > Swiftlane App > Click on Microphone to enable > select "Allow only while using the app" so your microphone is setup. 

Make sure the following settings are enabled for optimal Swiftlane usage: