There are several different types of lights on the IP Transceiver, each one meaning a different thing. Below is a short list of those different indications.
Slow Blinking White: The IPT is not connected to the E-IPA
Slow Blinking Purple: The IPT is connected to the E-IPA and is acquiring PTP lock
Slow Blinking Yellow (or Amber): The IPT is connected to the E-IPA, PTP is locked, but is acquiring DECT Sync
Solid Amber: The IPT is fully functional, beltpacks should be connecting and exchanging audio