Strictly speaking, the Voice Dial Plan, Voice Policies, and other voice-related configuration are all backed up in the CsConfiguration and Topology Information backups. However, there are times when we need to restore only portions of the configuration and settings by comparing settings in a backup with a system in production (especially if something suddenly got broken).

That's why we have chosen to include this set of voice-related information, which can be exported separately. There is no real need for these exports unless you need the flexibility that we described previously.

These exports cannot be natively imported back into Lync, but with the information provided within them, it suddenly becomes easier to recreate single settings and policies.