Do Cortex Handsets allow a PA or Intercom function? Follow Currently this is not supported by the Cortex Handsets, but it is on our development roadmap. Related articles How long does the Cortex Handset battery last and can it be replaced? Does Cortex support a multilingual user interface? Cortex Version Release History Can I program the ATIS number in Cortex myself? Is the Cortex Handset capable of wireless charging?