The Bosch PVA-15CST is a professional call station designed for the PAVIRO Public Address and Voice Evacuation System. It features 15 programmable selection buttons, a monitored gooseneck microphone, an illuminated LC display, and an integrated loudspeaker. The call station supports flexible configuration and optional expansion with PVA-20CSE call station extensions.

Bosch PVA-20CSE is a PAVIRO call station extension with 20 freely programmable selection buttons, allowing up to five extension keypads to be connected to one call station.