For Service Packs: The below Service Pack is the latest firmware release for this model. This software release contains the latest features, security updates and fixes. Ensure you review the Product Enhancement Read Me for details and consult the Installation Guide for any special instructions before installing new firmware.
VersaLink C505/C605 Service Pack (PL7-R6)
This release contains the latest updates and features. NOTE: Follow the process and links in this download’s diagram to upgrade your device.